A researcher crossed the F1 generation of a red snapdragon plant and white
snapdragon plant. According to the information provided, what is the phenotype
percentage of their offspring (F2)
Genotypes: RR = Red, WW = white, RW = Pink
A. Red 50% & Pink 50%
B. White 100%
C. Pink 100%
D. Red 100%
Answers
Answer:
B. white put became mix but cannot
Answer:
The answer is C
Explanation:
Based on the question telling us that we have a red snapdragon(RR) and a white one (WW)
Using a punnet square we can determine the phenotype of their off spring to be 100% Pink
Here is the Punnett Square (sorry it is kind of messy)
Related Questions
Most of the regulated medical waste in the United States is incinerated. These incinerators are a health hazard because they release pollutants like lead into the air. How could technology be best used to solve this problem?
Answers
Answer:
volcanic waste dump and plastic eating bactirium to clean alot of things
also a purge to remove the overpopulation problem thus reducing the production and polution up to 10 to 50 % all over the world
Explanation:
What is the differences between artificial and biological neural networks?
Answers
Answer:
Artificial neutral network are time independent and cannot filter their inputs.
PLEASE HELP BRAINLIEST. I'LL GIVE YOU 15 POINTS (science-8th grade)
Part 1: Which process does arrow F represent?
Part 2: Explain how matter is conserved during the process.
Part 3: Justify why this process is a recycling of carbon in the carbon cycle.
Use complete sentences to explain your answer.
Answers
Answer: Process F represents photosynthesis,
The AMOUNT of oxygen and carbon atoms released by photosynthesis are EXACTLY EQUAL to the atoms of these materials contained in carbon-dioxide converted.
this process recycles carbon by absorbing it from the air or soil to create oxygen and glucose
Explanation:
For a quantitative variable, when a category/class has a frequency count of 0, you should
Answers
When a category/class has a frequency count of 0 in a quantitative variable, it means that there are no observations falling within that particular category.
In statistical analysis, a frequency count represents the number of times a particular value or category occurs in a dataset. For a quantitative variable, such as age or weight, categories are often defined by ranges or intervals. When a category/class has a frequency count of 0, it indicates that there are no data points or observations that fall within that specific category or interval.
Having a frequency count of 0 in a category does not necessarily mean that the category is invalid or irrelevant. It simply suggests that no observations in the dataset possess values falling within that particular range or interval. It could be due to the nature of the data or the characteristics of the population being studied.
Researchers should take note of such instances and consider the implications when interpreting and analyzing the data. It is important to acknowledge that the absence of data in a specific category may have implications for statistical analyses, such as measures of central tendency or hypothesis testing. Depending on the research question and context, appropriate strategies, such as grouping or recoding the data, may be employed to ensure meaningful analysis and interpretation.
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Which type of density do you think puts more of a strain on the environment? Why?
Answers
High population density puts more strain on the environment because it leads to greater demand for resources and increased pollution.
A high population density means more people are living in a particular area, which in turn increases the demand for resources such as water, food, and energy. This leads to a greater strain on the environment, as more resources need to be extracted, produced, and transported, resulting in increased greenhouse gas emissions and pollution.
High population densities also put pressure on natural habitats, as land is cleared for housing and infrastructure. This can lead to deforestation, loss of biodiversity, and destruction of ecosystems.
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in a gene pool, the Z allele frequency is 89% and the z allele frequency is 11%. Determine the frequency of heterozygous (Zz) individuals in the population
Answers
Answer:
Explanation:
The frequency of heterozygous individuals can be calculated using the Hardy-Weinberg equation:
p^2 + 2pq + q^2 = 1
where p is the frequency of one allele (Z in this case) and q is the frequency of the other allele (z).
Given that the Z allele frequency is 89%, we can calculate q as:
q = 1 - p
q = 1 - 0.89
q = 0.11
Using this value for q and the given value for p, we can calculate the frequency of heterozygous individuals as:
2pq = 2(0.89)(0.11) = 0.196
So, the frequency of heterozygous (Zz) individuals in the population is 0.196 or 19.6%.
Describe the type of movement as either facilitated diffusion, osmosis, or diffusion.
Answers
Answer:
1. Diffusion
2. Osmosis
3. Diffusion
4. Facilitated Diffusion
5. Osmosis
6. Diffusion
Explanation:
Facilitated Diffusion- Move molecules across the cell membrane in a passive transportation with membrane protein.
Osmosis- Move water molecules from high concentration to low concentration.
Diffusion- Evenly spread molecules from high concentration to low concentration.
1. Gases move across the room with ease without energy.
2. Water enter skin cells allowing cells to grow and wrinkle without energy.
3. Gases move with ease without energy.
4. Glucose requires energy to transfer.
5. Water leaves throat when concentration outside of throat is less that that inside the trough so water moves outwards.
6. Oxygen is uses passive diffusion does not require energy and will with ease move in and through a cell.
James and Captain Keller discuss the Civil War Battle of Vicksburg, in which the Union General Grant and his army attacked Vicksburg for more than forty days and finally won. Vicksburg is considered a turning point in the war. What can you infer about the historical setting, based on their conversation? What opinions and political beliefs do they express?
Answers
The historical scenario is from the moment when the south began to categorically lose the war, opinions express political convictions separatist forces.
Civil War Battle of Vicksburg
The Siege of Vicksburg (May 18 – July 4, 1863) was a major battle fought in the context of the Vicksburg Campaign during the United States Civil War.
In a series of maneuvers, Ulysses S. Grant, Major General of the Union, who commanded the Army of Tennessee, crossed the Mississippi River and forced the retreat of the Confederate army, led by Lieutenant General John C. Pemberton, who had mounted a position defense in the city of Vicksburg, Mississippi.
With this information, we can conclude that the historical scenario is from the moment when the south began to categorically lose the war, opinions express political convictions separatist forces.
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describe three characteristics of life that Archaea bacteria have
Answers
Answer:
the presence of characteristic tRNAs and ribosomal RNAs
Explanation:
Why does limestone react to acid rain, but sandstone does not?
Answers
Answer:
Sandstone does not react with Hydrochloric acid. The acid soaks into the rock because the rock is porous, filled with tiny holes. It is made up of tiny grains of sand cemented together by intense pressure.
How does food storage and digestion take place in an amoeba?
Answers
Food storage and digestion take place in an amoeba occur through food vacuoles.
Amoeba is a monocellular organism that shows holozoic nutrition. It absorbs nutrients and food from the surroundings by contracting the vacuole. It has pseudopodia a drizzle-like structure that moves food into the vacuole. Inside this vacuole, there are lysosomes that contain the hydrolytic enzymes. These enzymes perform the breakdown of food particles. The digested food is then directly absorbed through the cytoplasm. This is circulated to organelles and stored for energy. After assimilation, the undigested food and waste are excreted out by fusing of food vacuole with the cell membrane.
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Answer:
Explanation:Amoebas are single-celled organisms that belong to group protozoa.Food storage and digestion occur through process called phagocytosis. Due the presence of flexible membrane,they can change their shape,viz essential for their feeding mechanism.
Psuedopods are temporary projections of its cell membrane which is extended when it encounters a food particle. These pseudopods surround the food particle forming a small cavity called food vacoule.
Once the food particle is enclosed within the food vacuole, the membrane of the vacuole fuses and forms a (digestive vacuole)phagosome which contains the food particle and digestive enzymes. The digestive enzymes in phagosome breakdown the food particle into smaller molecules. The enzymes include proteases for protein digestion, carbohydrases for carbohydrate digestion, and lipases for lipid digestion.
Smaller molecules are gradually absorbed into the cytoplasm of the amoeba, where they can be utilized for various metabolic processes. The digestion products are transported across the membrane of the digestive vacuole into the cytoplasm through diffusion.
Any undigested or indigestible material is eventually expelled from the amoeba's body by process of exocytosis. During exocytosis, the residual waste material is packaged into a vesicle and then released outside the cell.
Food storage and digestion in amoebas involve
1: the engulfment of food particles through phagocytosis,
2: the formation of digestive vacuoles,
3: enzymatic breakdown of the food,
4:absorption of nutrients into the cytoplasm,
5: and elimination of waste materials through exocytosis.
Select the correct answer from
each drop-down menu.
The Spanish Civil War is also known as
Soviet Union and Mexico supported the
because many countries indirectly participated in the war. Countries such as the soviet union and mexico supported the blank,
while countries such as Germany and Italy supported the blank.
Answers
The Spanish Civil War is also known as The Crusade (Spanish: La Cruzada)
Soviet Union and Mexico supported the Cold War.
Countries like the Soviet Union and Mexico supported the Allies,
while countries like Germany and Italy supported Nazism.
Who were the Allies of the Nazis?
The Axis countries (Germany, Italy and Japan) and the Allies (France, England, USA and, later, USSR) constituted the alliances formed in the Second War. World War II was a conflict of global proportions that took place between 1939 and 1945.
With this information, we can conclude that the Spanish Civil War resulted from a confrontation between fascist and communist nationalist forces, which began to vie for power in the country.
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Write the important of biology in our daily lives with respect to agriculture and industry
Answers
Answer:
Biology is an interesting subject that has been intriguing scientific minds for several centuries
Explanation:
Despite exponential developments in technology over the past few centuries, the origin of life on earth is still one of the biggest mysteries yet to be unraveled.
The basis of our very origin and existence on earth lies within the depths of the biological sciences. Biology has an endless array of species( at least as of now because there are an estimated 8.7 million species on earth out of which only 1.9 million species have been discovered, so there is a long way to go!).
Every creation which is a part of nature is so adorable and unique in its own way.
Biology exists every second - when we inhale and exhale each time, respiration is taking place within our bodies, each cell receives oxygenated blood and releases carbon dioxide and other excretory wastes.
Let aside other species, we haven't yet understood our own bodies completely!!How is it that our hearts work so tirelessly throughout our life span, how is it that we are able to interpret even minute emotions and gestures without even understanding the mechanism behind it!.How is it that each one of us is able to perceive things differently?What exactly is consciousness?..The list of questions seeking their answers is endless!
Biology helps us to sort things out and find answers to such questions.
Humans aren’t the only living things biology is concerned with. It also tells us all about plants and animals – how they live, what they’re made up of, and how they interact with mankind and each other. This enables us to make the most of our planet’s natural resources while trying to minimize the impact we have on the environment.
are viruses alive? the scientific debate continues. viruses exhibit some characteristics of life, but others are missing. the most obvious reason why scientists still refer to viruses as non-living is that they responsesare viruses alive? the scientific debate continues. viruses exhibit some characteristics of life, but others are missing. the most obvious reason why scientists still refer to viruses as non-living is that they responses
Answers
Viruses are taken into consideration to be nonliving. Viruses resemble organisms due to the fact they are able to multiply.
They are specific due to the fact they may be now no longer alive: they may be now no longer cells, they do now no longer use their personal electricity to develop or reply to their surroundings.
They in addition declare that which means that viruses are certainly dwelling organisms. Living matters use electricity.Outside of a number cell, viruses do now no longer use any electricity. They most effective come to be lively while they arrive into touch with a number cell. Once activated, they use the host cell's electricity and gear to make extra viruses. Because they do now no longer use their personal electricity, a few scientists do now no longer recollect them alive.
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About what percentage of the land area of South America has a growing season of over 240 days?
Answers
Answer:
75%
Explanation:
Answer:
75% of the land area in South America has a growing season of over 240 days.
Explanation:
Which of the following is true about why we eat? Choose all that apply
We need to eat so we can create waste products.
We need building blocks for our body.
We need to eat so we can reduce our levels of oxygen.
We need fuel.
Which option^ help
Answers
We eat food for several reasons, and two of them are for building blocks for our bodies and for fuel. The second and last options are correct.
Food provides us with energy in the form of calories, which are essential for the functioning of our cells, tissues, and organs.
Our food provides essential nutrients such as proteins, carbohydrates, fats, vitamins, and minerals. These nutrients are necessary for our body's growth, maintenance, and repair. Proteins are the building blocks of our body tissues, while carbohydrates and fats provide energy and support various bodily functions.
The energy obtained from food is utilized for various physiological processes, such as metabolism, movement, and maintaining body temperature.
While digestion and metabolism do produce waste products, such as carbon dioxide and urea, creating waste products is not the primary purpose of eating.
Food provides us with essential nutrients, including proteins, carbohydrates, fats, vitamins, and minerals, which serve as building blocks for our body's growth, repair, and maintenance.
Eating does not directly impact the levels of oxygen in our bodies. Oxygen is primarily obtained through the process of breathing, and the consumption of food does not play a role in reducing oxygen levels.
Thus, the second and last options are correct.
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A species of worm is active at night, and comes to the top of the soil only when it is dark outside. In the daytime, the members of the species stay burrowed several inches beneath the soil. Which of these explanations BEST describes how this nocturnal behavior evolved in the species of worm?A)The worms have a predator with keen night vision.B)The worms have a predator that is active during the day.C)The worms rely on solar energy to increase their body temperature.D)The worms have increased mating opportunities at the surface that require visual cues.
Answers
We noticed that the exercise provides us with the following information:
• The animal is ,active at night, and only goes to the surface at night;
,• He stays during the day underground.
Analyzing the alternatives, we can say that:
• A) is incorrect. The animal goes to the top of the ground at night and this allows us to say that this time is "safe" for it. Therefore, your ,predator ,must be active during the day.
,• B) is correct. As mentioned in alternative "A", the predator is active during the day.
• C) is incorrect, as it remains buried during the day, so animals do not depend on solar energy.
• D) is incorrect, he increased his mating opportunities at night times.
Answer: B.
Which of the following statements describes a benefit of most cells being
small?
A. Small cells move more slowly than larger cells,
B. Small cells move more quickly than larger cells.
C. Small cells have a greater surface-to-volume ratio than larger
cells
D. Small cells have a smaller surface-to-volume ratio than larger
cells.
SEN
Answers
A product is sold at a price of $120 per unit and its variable cost is $80 per unit. The fixed expenses of the business are $8,000 per year. Find (i) BEP in $ and units, (ii) profits made when sales are 240 units. Calculate the profit and do a CVP Analysis.
Answers
(i) BEP in $: $8,000
BEP in units: 100 units
(ii) Profits made when sales are 240 units: $4,800
(i) BEP in $ and units:
To find the Break-Even Point (BEP) in dollars, we need to divide the fixed expenses by the contribution margin per unit. The contribution margin per unit is the selling price minus the variable cost per unit.
BEP in $ = Fixed expenses / Contribution margin per unit
BEP in $ = $8,000 / ($120 - $80) = $8,000 / $40 = $8,000
The BEP in dollars is $8,000.
To find the BEP in units, we divide the fixed expenses by the contribution margin ratio.
BEP in units = Fixed expenses / Contribution margin ratio
Contribution margin ratio = Contribution margin per unit / Selling price per unit
Contribution margin ratio = ($120 - $80) / $120 = $40 / $120 = 1/3
BEP in units = $8,000 / (1/3) = $8,000 * 3 = 300 units
The BEP in units is 300 units.
(ii) Profits made when sales are 240 units:
To calculate the profit, we need to subtract the total costs (fixed costs + variable costs) from the total sales.
Variable costs = Variable cost per unit * Number of units sold
Variable costs = $80 * 240 = $19,200
Total costs = Fixed expenses + Variable costs
Total costs = $8,000 + $19,200 = $27,200
Profit = Total sales - Total costs
Profit = (Selling price per unit * Number of units sold) - Total costs
Profit = ($120 * 240) - $27,200
Profit = $28,800 - $27,200
Profit = $1,600
The profit made when sales are 240 units is $1,600.
CVP Analysis:
Cost-Volume-Profit (CVP) analysis is a tool used to analyze the relationship between costs, volume, and profits. It helps in understanding how changes in sales volume affect profitability.
In this case, the CVP analysis can be performed using the given data:
Sales revenue = Selling price per unit * Number of units sold
Sales revenue = $120 * 240 = $28,800
Variable costs = Variable cost per unit * Number of units sold
Variable costs = $80 * 240 = $19,200
Contribution margin = Sales revenue - Variable costs
Contribution margin = $28,800 - $19,200 = $9,600
Contribution margin ratio = Contribution margin / Sales revenue
Contribution margin ratio = $9,600 / $28,800 ≈ 0.3333
Break-Even Point (BEP) in units = Fixed expenses / Contribution margin per unit
BEP in units = $8,000 / $40 = 200 units
Profit = (Selling price per unit * Number of units sold) - Total costs
Profit = ($120 * 240) - ($8,000 + $19,200)
Profit = $28,800 - $27,200
Profit = $1,600
By conducting a CVP analysis, we can determine the Break-Even Point, contribution margin, and analyze the profitability based on the given data.
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Please help ASAP
Which of these is NOT an example of an environmental factor that can affect an organism's growth?
Inheriting the gene for purple flower petals
or
Limited or no shelter/space to nurture offspring
or
inadequate sunlight
or
insufficient access to water or nutrients
Answers
what do animals in the eukarya domain have in common?
Help me!!
Answers
Answer:
The domain Eukarya keep the genetic material
inside of the nucleus.
Explanation:
Dar tres ejemplos de alimentos con funcion estructural,tres ejemplos de alimentos con funcion energetica y tres ejemplos con funcion reguladora
Answers
Answer:
Alimentos plásticos o constructores: En este grupo se encuentran: Leche, yogurt y quesos. Carnes, pescados y huevos.
Función reguladora:todo tipo de frutas, como manzana, naranja, mandarina al igual que las espinacas, acelgas .
alimentos energéticos, pastas, arroz, productos de panificación (pan, galletas, etc.), dulces, miel, aceites, frutos secas (almendras, nueces, castañas ,
Explanation:
What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
Answers
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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What is the main obstacle to cloning the woolly mammoth.
Answers
Answer:
A lack of suitable genetic material.
Explanation:
most of the DNA has been destroyed after being frozen for so long.
Explain how stem cells differ from other kinds of cells. Give an example using plantsor animals.
Answers
Stem cells are a special kind of cells due to their ability to duplicate and differentiate in different kinds of cells.
there are different kinds of stem cells. The main diference betwen them is the kind of cells they can differentiate into.
for example, when an embrioyo is develoment, the firs cell that is form after the coito is a totipotent stem cell, because it has the ability to diferenciate in every kind of cell in the body. Afer a few weeks, in bovines it would be aroun 8 days, the cells become pluripotent, because they can generate every cell in the body, but the placent. and when we become adults this cells are know as mesechymal (multipotent), that are cells that can diferenciate in certain kind of tissue
HELP PLEASE!
What is the law describing how factors for different traits combine in gametes??
Answers
Answer:
Mendel's Law I think/ Hope this helps
Which pattern emerged in horse evolution as scientists studied early horse fossils and modern horse bones?
Answers
Answer:
Horse evolution was previously believed to be a linear progress, but after more fossils were discovered, it was determined the evolution of horses was more complex and multi-branched. Horses have evolved from gradual change ( anagenesis ) as well as abrupt progression and division ( cladogenesis ).They concluded that horses evolved with the emergence of grasslands and an increase of predators. The digits of their early Eocene ancestor evolved into hooves.
Explanation:
ur welcome
A covalent bond always includes a pair of electrons.
True or False
Answers
Answer:
True
Explanation:
The first life on Earth wasA. prokaryotic.B. eukaryotic.C. prokaryotic and multicellular.D. eukaryotic and multicellular.E. eukaryotic and unicellular.
Answers
The first life on Earth was prokaryotic. There're different theories about the origin of these kinds of cells, among them we can find how it's hypothesized that these basic forms of life came up from other planets in meteorites, what it's known as the panspermia theory of life. On the other, there's said that the primitive conditions after the formation of our planet gave place to cyclic inorganic molecules that replicate themselves in a physicochemical equilibrium, as happens today with the nutrients cycle, for example, and in a primordial soup, these replicated molecules began to conform more complex structures like nucleic acids that lead to the formation of live organisms. Maybe they resulted after those basic molecules were progressively being part of other molecules, and involved other molecules in their basal structures, such as states the endosymbiotic theory. Or maybe the origin of those basic forms of life is the result of these and other theories in conjunction .
[Questions 7-10] You're studying a population in which there are three alleles for gene A(a1,a, and a3). At the beginning of your study, each allele was present in equal numbers of individuals. Lab studies find that the genotype at this locus has no measurable effect on an individual's fitness. As you monitor the population over time, you see the frequency of a1 and a3 eventually drop to0%. For each of the following statements, mark A for True or B for False: 7. Assortative mating is the most likely reason that allelesa1anda3became lost. 8. Allelesa1and a3 must be associated with an increased mutation rate. 9. Individuals that are homozygous for a 2 must have a selective advantage in this population. 10. Alleles a 1 and a 3 alleles may have become lost from the population due to genetic drift.
Answers
In the given reasons given for a frequency drop to 0%, Statement 7 is false, 8 is False, 9 is false, and 10 is true.
7. The given statement, "Assortative mating is the most likely reason that alleles a1 and a3 became lost," is False.
Assortative mating refers to the type of mating that occurs when an individual prefers a mate that has a similar genotype or phenotype to themselves. The alleles a1 and a3 became lost from the population, which means that there was no individual left with either of these alleles. This is an example of genetic drift, which is a random fluctuation in allele frequencies due to chance events.
8. The given statement, "Alleles a1 and a3 must be associated with an increased mutation rate," is False.
The frequency of the a1 and a3 alleles drops to 0%, which indicates that these alleles are lost from the population. Therefore, it can not be said that these alleles are associated with an increased mutation rate.
9. The given statement, "Individuals that are homozygous for a2 must have a selective advantage in this population," is False. There is no mention of any selective advantage associated with the a2 allele. Therefore, this statement is false.
10. The given statement, "Alleles a1 and a3 alleles may have become lost from the population due to genetic drift," is True. Genetic drift is a random fluctuation in allele frequencies due to chance events. In this case, a1 and a3 alleles became lost from the population, which indicates that this is an example of genetic drift. Therefore, the statement is true.
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