Who developed the punnett square to depict the number and variety of genetic combinations?.
Answers
The Punnett square was invented by Reginald Punnett in the early 20th century, and its use has grown and expanded since that time. The Punnett square is used to predict the outcomes of genetic crosses in a visual format.
Reginald Punnett was a British geneticist who created the Punnett square in the early 1900s. The Punnett square is a graphical method that shows all of the possible allele combinations in the offspring of a cross between two organisms. The Punnett square is used to explain the basic principles of inheritance, including dominant and recessive alleles. It also assists in determining the chances of a particular trait appearing in an offspring of a given cross. In the Punnett square, the alleles are represented by letters, and the probabilities of each allele combination occurring are depicted.
In the early 1900s, Reginald Punnett, a British geneticist, invented the Punnett square, a visual method for predicting the outcomes of genetic crosses. The Punnett square helps scientists to calculate the probability of a certain trait appearing in the offspring of a cross between two organisms, and it is used to explain the basic principles of inheritance. In the Punnett square, alleles are represented by letters, and the probabilities of each allele combination are calculated.
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Related Questions
Enumerate at least three (3) storing and sanitation techniques during foot spa treatment
Answers
List characteristics a pea plant Shares with almost allmembers of plant kingdom. Then describe some special adaptation that a pea plant has in order to survive on land
Answers
Nearly all plants are autotrophs, organisms that produce their own food. All plants are eukaryotes that contain many cells. In addition all plants cells are surrounded by cell walls
Explanation:
Food-borne illness outbreaks can be caused by microorganisms such as bacteria, viruses, protists, or tiny worms. food-borne illness outbreaks have occasionally occurred on cruise ships. determine whether each outbreak was caused by bacteria, viruses, protists, or tiny worms. (can use microorganisms more than once.)
Answers
The most frequent source of food-borne disease is bacteria. These little, single-celled creatures are ubiquitous.
Another frequent cause of outbreaks of food-borne illness is viruses like the norovirus or hepatitis A.
Viruses can travel on any sort of food, but they need a living host like a person or animal to exist and multiply. People become ill after consuming food that has been tainted with a virus.
Parasites are living things that reside on or in humans or other animals. When people drink or eat something that contains the parasites, they are then passed to humans.
Small, single-celled bacteria called protozoa are present in both food and water. The majority of protozoa are helpful to people, but some, like giardiasis, are dangerous and bring on food-borne illnesses.
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Which element is radioactive, is the rarest naturally occurring element in the Earth's crust, occurring only as the decay product of various heavier elements. You can find this element in group 5A (15) directly to the right of the element that has 4 valence electrons in its 4th energy level.
Answers
Answer:
Astatine
Explanation:
What ingredient in the BLT Sandwich has the highest carbon footprint?
Answers
Answer:Bacon
Explanation:The bacon leaves the most carbon footprint since bacon takes so much heat and energy to cook.
Help, need this for a biology class
Answers
Answer:
see...
one of my favourite organism is parrot (bird)...
therefore, name of the organism will be parrot...
parrot gets it's food by hunting with claws and beaks and also consumes leaves from plants, small insects...
it basically likes to eat bengal gram...
it lives in tropical and sub tropical climate...
it lays eggs...
its one of the main defence organ is its beak...
pic is in the above...
hope it helps
One half of a DNA molecule has the following nitrogen base sequence:
A-T-G-T-C- A
What is the corresponding base sequence of the other half of the DNA molecule?
A-T-G-T-C-A
T-A-C-A-G-T
G-C-A-C-T-G
T-A-G-C-A-T
This is the actual answers not the other one
Answers
i don't really understand the question
What does somatic mean ?.
Answers
please help me I’ll give you brainliest Please tell me please help me please help please help please help please help me please help me
Answers
Answer:
1: Combustion 2:Atoms 3: Fission 4: Nucleus 5: energy 6: Photosynthesis 7: Solar Energy
Explanation:
What does phenotype mean?
A.What kinds of genes something has.
B.How something looks because of its genes.
Answers
Answer would be; B.How something looks because of its genes.
Answer:
B- How something looks because of its genes.
Explanation:
A is the genotype. B is the phenotype. A genotype is the genes. A phenotype is the physical trait an organism has.
The brown tree snake is a native species in Australia. In the twentieth century, brown tree snakes were accidentally transported by
ship from Australia to Guam. These snakes prey on birds, lizards, bats, and rodents such as mice.
The population of brown tree snakes in Guam grew rapidly because these snakes
had few predators and little competition for food.
Eventually, the snakes destroyed entire populations of small mammals and birds. The biodiversity of Guam was harmed
A scientist wants to improve the biodiversity of Guam by controlling the brown tree snake population. Which of the following should
be included in the scientist's solution?
All ships coming from Australia should be inspected to make sure there are no brown tree
snakes on board
A new species that can breed with brown tree snakes should be introduced into the
ecosystem
People living in Guam should move to new locations away from brown tree snakes.
Poison that is toxic to brown tree snakes should be placed with dead mice, and the mice
should be placed in areas with large numbers of brown tree snakes.
Answers
Answer:
the answer B
Explanation:
I took the test
Answer:
The answer is
A. "All ships coming from Australia should be inspected to make sure there are no brown tree snakes on board."
C. "Poison that is toxic to brown tree snakes should be placed with dead mice, and the mice should be placed in areas with large numbers of brown tree snakes."
Explanation:
(T/F) high-protein diets do not increase water loss.
Answers
The following statement “high-protein diets do not increase water loss.” is False.
High-protein diets can increase water loss in the body. When proteins are metabolized, they produce waste products, such as urea, which need to be excreted by the kidneys.
The excretion of these waste products requires water, leading to increased urine production and potentially higher water loss from the body.
Therefore, high-protein diets can have a diuretic effect and increase the need for adequate hydration to compensate for the increased water loss.
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when the bladder contains 400 to 500 ml of urine, this is referred to as specific gravity. anuria. renal clearance. functional capacity.
Answers
A bladder containing 400 - 500 ml of urine is referred to as functional capacity.
Urine is defined as excess liquid waste products of metabolism in human as well as other animals. The kidneys filter nitrogen rich human metabolism byproducts such as urea and creatinine from blood, then transport it to the ureters, then the urine is excreted from the body via urethra. In order for micturition (a process of excretion of urine from the bladder) to happen, the bladder must maintain a functional capacity at a level of 400 - 500 ml of urine stored inside it, after which the excess level of liquid will be excreted from the body.
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1. Nutrients and oxygen for deep water animals comes
from surface waters
True or False
2. reef corals are considered polyps
true or false
3. Parapodia, in polychaete worms, are used for gas
exchange and locomotion
true or false
Answers
True: Nutrients and oxygen for deep water animals often come from surface waters through various processes such as upwelling or vertical mixing. This is because the surface waters receive sunlight and are in contact with the atmosphere, allowing for photosynthesis and oxygen exchange.
True: Reef corals are indeed considered polyps. Polyps are small, cylindrical organisms that belong to the phylum Cnidaria, and they are the building blocks of coral reefs. They have a tubular body with a central mouth surrounded by tentacles used for feeding and capturing prey. False: Parapodia in polychaete worms are not used for gas exchange. Parapodia are fleshy appendages found on the sides of each segment of a polychaete worm's body. They are primarily used for locomotion, providing the worm with the ability to crawl or swim. Gas exchange in polychaete worms typically occurs through their thin body wall, which allows for oxygen and carbon dioxide exchange with the surrounding water.
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A neutron is a subatomic particle found in the nucleus of every atom except that of simple hydrogen. The particle derives its name from the fact that it has no electrical charge; it is neutral. Neutrons are extremely dense
Answers
Protons and neutrons are the only elements in the nucleus. There are no electrons in it. These are outside the nucleus and negatively charged.
The only stable atom that lacks neutrons is one. Protium is the name of the hydrogen isotope in question. The simplest atom is protium, which has a single proton and a single electron. Neutrons are present in some quantity in all other stable atoms. Neutrons are neutrally charged, whereas protons have a positive charge. They are not of opposing charges as a result. Atomic nuclei are surrounded by neutrons. Along with protons and electrons, neutrons are among the atomic nuclei's fundamental building blocks. Every atom's nucleus, with the exception of hydrogen, contains neutrons.
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waves where the particels travel at right angles to the driction of the wave itself
Answers
Answer:
Transverse wave
Explanation:
A transverse wave is a wave in which particles of the medium vibrate at right angles, or perpendicular, to the direction that the wave travels. Another example of a transverse wave is the wave that passes through a rope when you shake one end of the rope up and down, as seen in the figure below.
Zombie processes are also known as defunct processes.True or False?
Answers
The given statement is False. Zombie processes are not the same as defunct processes.
In computer science, a zombie process refers to a process that has completed its execution but still has an entry in the process table. When a process finishes its execution, it sends a termination signal to its parent process, which is responsible for cleaning up its resources and removing it from the process table. However, if the parent process fails to do so, the process becomes a zombie process. Zombie processes do not consume system resources but still occupy an entry in the process table, which can lead to inefficiencies and resource wastage. These processes are eventually cleaned up by the init process or the parent process, releasing the resources and removing the entry from the process table. Defunct processes, on the other hand, refer to processes that have finished execution and are waiting for their parent process to collect their exit status. They are also known as "zombie processes" in some contexts, but this terminology can cause confusion as it blurs the distinction between zombie processes and defunct processes.Therefore, The given statement is False. Zombie processes are not the same as defunct processes.
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What classification method is used in biology?
Answers
The most commonly used classification system, which is based on the Linnean system, consists of eight tiers of taxa.
They are domain, kingdom, phylum (plural, phyla), class, order, family, genus (plural, genera), and species, in sequence from the most general to the least specific.
What three classification schemes does biology employ?
The three fundamental types of categorizing are Phylogenetic classification, Natural classification, and Artificial grading.
What exactly is characterisation in biology?
In biology, categorisation is the process of creating a structure of groups based on presumptive ecological connections between organisms. The science of biological classification is known as taxonomy (q.v.). biology-related taxonomic and associated fields.
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Which feature is created by wave erosion?
O loess
O delta
O rill
O stack
Answers
Answer:
stack
Explanation:
A stack is a rock in the sea near a coast that is formed by wave erosion.
A feature created by wave erosion is stack. Option D. This is further explained below.
What is wave erosion?Generally, Wave erosion is simply defined as waves creating a variety of landforms along a shoreline. Sea cliffs occur when waves erode rock, resulting in high slopes.
In conclusion, a stack is a feature of wave erosion.
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need help with this biology
Answers
5b this person has an extra chromosome
5c this person is female
5d as it has to x chromosomes
*PLEASE ANSWER!!!*
What is nonpoint source pollution?
a.) pollution that comes from a source that can't be tied to a specific location
b.) pollutants that are discharged from a specific location
c.) pollutants that are found in deep water
Answers
Answer:
I think it might be B
Explanation:
nonpoint sorce polution is polution resulting from many different sources in direct contrast to the point port source pollution which results in a single source
Answer:
is A. because the pollutants that come from a source that cannot be tied to a specific location.
Nonpoint source pollution can include: Excess fertilizers, herbicides and insecticides from agricultural lands and residential areas. Oil, grease and toxic chemicals from urban runoff and energy production. Sediment from improperly managed construction sites, crop and forest lands, and eroding streambanks.
Help pls :,) 50 points!
Answers
Answer:
It will most likely decrease.
Explanation:
Answer:
It will decrease
Explanation:
How does the Grand Canyon help us understand about how the Earth’s Surface Changes AND why there are different types of rocks?
Answers
in a cool environment, an ectotherm is more likely to survive an extended period of food deprivation than would an equally sized endotherm because the ectotherm .
Answers
An ectotherm is more likely to survive an extended period of food deprivation than an equally sized endotherm in a cool environment because the ectotherm has a lower metabolic rate, which reduces its energy requirements and slows down the depletion of its energy reserves.
Ectotherms are organisms that rely on external sources of heat to regulate their body temperature. Unlike endotherms, which generate their own body heat through metabolic processes, ectotherms have a lower metabolic rate. This lower metabolic rate means that ectotherms require less energy to maintain their bodily functions compared to equally sized endotherms.
In a cool environment, where temperatures are lower, the ectotherm's lower metabolic rate becomes advantageous. Since it doesn't need to generate as much internal heat, it can conserve energy and survive for longer periods without food. The ectotherm's slower metabolism allows it to stretch its energy reserves and endure periods of food deprivation more effectively.
The endotherm, on the other hand, relies on its internally generated heat to maintain a stable body temperature. This process requires a higher metabolic rate and, consequently, a greater amount of energy. In a cool environment, the endotherm's higher energy requirements make it more vulnerable to food deprivation. It depletes its energy reserves at a faster rate, making it less likely to survive an extended period without food compared to an ectotherm.
In summary, the ectotherm's lower metabolic rate in a cool environment enables it to conserve energy and survive longer without food compared to an equally sized endotherm. This adaptation allows ectotherms to thrive in environments where resources may be scarce or intermittent, giving them an evolutionary advantage in such conditions.
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Which answer describes the tundra biome?
A) It is Earth's wettest biome.
B) It is Earth's largest biome.
C) It is Earth's least biodiverse biome.
D) It is Earth's driest biome.
15 points shall go to the noble hero who answers this question, Thank You :D
Answers
Answer: The correct answer is C) It is Earth's least biodiverse biome.
Explanation:
The tundra biome is Earth's least biodiverse biome, characterized by cold temperatures, low precipitation, and a short growing season. It has a harsh environment with frozen soil and limited vegetation, resulting in low species diversity.
he above statements is true. b. during ventricular diastole, blood pressure in the aorta is lower than blood pressure in the left ventricle. c. all veins in the body contain partly deoxygenated blood. d. contraction of the atria and contraction of the ventricles occur simultaneously. e. pulmonary blood pressure is normally higher than systemic blood pressure.
Answers
The correct statement is b. During ventricular diastole, blood pressure in the aorta is lower than blood pressure in the left ventricle.
In this phase, the heart's ventricles are relaxed, allowing them to fill with blood. Blood pressure in the aorta is lower at this time because the aortic valve is closed, preventing blood from flowing back into the left ventricle. As the ventricles fill, pressure increases, eventually leading to ventricular systole when the blood is pumped out into circulation. Statement c is incorrect because not all veins contain partly deoxygenated blood. Pulmonary veins carry oxygenate blood from the lungs to the heart.
Statement d is false because the atria and ventricles do not contract simultaneously. The atria contract first during atrial systole, followed by ventricular systole, allowing for efficient blood flow through the heart. Statement e is incorrect because pulmonary blood pressure is generally lower than systemic blood pressure. Pulmonary circulation involves the passage of blood through the lungs, where it picks up oxygen and releases carbon dioxide. Systemic circulation, which has higher blood pressure, carries oxygenated blood from the heart to the rest of the body.
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HELP PLEASE ASAP‼️
(1) Cells are the basic building blocks of life. Compare bacterial cells, yeast cells and multicellular organisms. Your response must be 3 sentences and contain textual evidence.
(2) Write a short paragraph (5 sentences) that explains the central idea of the article. Use at least two details from the article to support your response.
Answers
Bacteria are prokaryotic cells, whereas yeast is a eukaryotic organism. Multicellular organisms are eukaryotes but contain many cells.
What are eukaryotic and prokaryotic cells?Eukaryotic cells are cells that possess a true nucleus as well as membrane-bound organelles.
A nucleus is one that is membrane-bound and is delineated from the contents of the cell.
Examples of eukaryotic cells are yeast cells and plant and anomal cells.
Prokaryotic cells are cells that do not possess a true nucleus or membrane-bound organelles.
Examples of Prokaryotic cells are bacterial cells and archaea.
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Which is a condition that accompanies left-sided heart failure and is characterized by noninfectious fluid build-up in the alveoli and lung tissues
Answers
The condition that accompanies left-sided heart failure and is characterized by noninfectious fluid build-up in the alveoli and lung tissues is called pulmonary edema. It occurs when the left ventricle of the heart is unable to pump the blood effectively to the rest of the body, causing the blood to back up into the lungs, thereby increasing the pressure in the blood vessels of the lungs.
This increased pressure causes fluid to leak out of the blood vessels and into the alveoli and lung tissues, making it difficult for the person to breathe. Pulmonary edema is a serious condition that requires immediate medical attention as it can lead to respiratory failure, cardiac arrest, and even death if left untreated.
The symptoms of pulmonary edema include shortness of breath, rapid breathing, wheezing, coughing up pink, frothy sputum, chest pain, and anxiety. Treatment for pulmonary edema usually involves medications that help remove the excess fluid from the lungs and improve the heart's function. Diuretics are commonly prescribed to remove excess fluid from the body, including the lungs.
Oxygen therapy may also be given to improve breathing, and medications such as nitroglycerin and morphine may be used to help reduce the workload on the heart and improve blood flow. In severe cases, mechanical ventilation or extracorporeal membrane oxygenation (ECMO) may be necessary to support breathing and circulation. In conclusion, pulmonary edema is a condition that accompanies left-sided heart failure and is characterized by noninfectious fluid build-up in the alveoli and lung tissues.
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neither tim nor rhoda has duchenne muscular dystrophy (x-linked recessive disorder), but their firstborn son has it. what is the probability their 2nd child will have it?
Answers
They have a 50/50 chance of inheriting the Y chromosome from their father, becoming a son, and getting the faulty allele from their mother. If the second kid is a boy, there is a 50% chance that he will inherit the mother's faulty X chromosome, increasing the likelihood that he will be unwell by 50%. There is almost no chance if it is a female because they only get one X chromosome.
Why are girls not susceptible to Duchenne muscular dystrophy?Due to the dystrophin gene's location on the X chromosome, Duchenne MD affects boys more frequently than girls.
If his mother is not a carrier, how may a boy have DMD?A new genetic alteration that began in 30% (1/3 or 1 in 3) of newborns with Duchenne has affected them.
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Give examples of habituation from your own experience. Can we habituate to complex stimuli as well as to simple stimuli? Answer with your examples.
Answers
The Habituation is a psychological process in which an organism becomes less responsive to a stimulus after repeated exposure to it. This process can occur with both simple and complex stimuli. Here are two examples to illustrate habituation in both cases.
The Simple Stimulus Imagine living near a busy road with a lot of traffic noise. At first, the noise might be quite disruptive and bothersome. However, after some time living in the same place, you gradually become less sensitive to the traffic noise, and it no longer bothers you. This is an example of habituation to a simple stimulus. Complex Stimulus Let's consider learning a new language. Initially, listening to native speakers might feel overwhelming, as you struggle to understand the different sounds and accents. With regular exposure and practice, your brain gets used to these complex sounds and becomes more efficient at processing them. Eventually, you habituate to the new language and can understand it with ease. These examples demonstrate that we can habituate to both simple and complex stimuli over time. The process might take longer with more complex stimuli, but it still occurs as our brains adapt to the repeated exposure.
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