everyone has 2-3 recessive lethal alleles in their genome. what would the generalized genotypes for of these unknown genes in a person be? assume the gene is a
Answers
The generalized genotype for a person with two to three recessive lethal alleles in their genome would be homozygous recessive.
This means that they have two copies of the same allele (either a dominant or a recessive) from their parents and both are recessive. In this particular case, the recessive alleles are lethal, meaning that if the individual expresses these alleles, the result is death.
As these alleles are recessive, the individual will not show any symptoms until both alleles are expressed, as the dominant allele will take precedence. In this way, the recessive lethal alleles can be passed down through generations without any knowledge of their presence or any symptoms being expressed.
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Related Questions
In good-quality surface soil, approximately what percentage of the volume is made of mineral and organic matter?
Answers
Answer:
The chemical composition of the soil, the topography, and the presence of living organisms determines the quality of soil. In general, soil contains 40-45% inorganic matter, 5% organic matter, 25% water, and 25% air.
Explanation:
Answer:
50 percent
Explanation:
The composition of soils varies from place to place. But in good-quality surface soil, mineral and organic matter make up about half the volume. The other half is made of pore spaces that are filled with air and water.
rho(d) immune globulin is administered to which clients? select all that apply.
Answers
The rho (D) immune globulin is administered to women having Rh negative blood following an ectopic pregnancy and to women who had a spontaneous abortion or miscarriage.
Rho(D) immune globulin is basically a medication which is used to prevent RhD isoimmunization in the mothers who are RhD negative and also to treat idiopathic thrombocytopenic purpura in those people who are Rh positive.
This medication is often administered both during as well as following pregnancy. This medication also may be used when RhD-negative people are administered with the RhD-positive blood. Some of the side effects of this medication are pain, fever and headache.
--The given question is incomplete, the complete question is
"Rho(D) immune globulin is administered to which clients? Select all that apply.
A Rh negative woman who gives birth at 32 weeks gestation to a baby with A+ blood
A newborn with type O-negative blood and a negative Coombs test
An Rh-negative woman following an ectopic pregnancy
A client who is Rh-positive and gave birth to a 7-pound baby
An Rh-negative woman who had a spontaneous abortion (miscarriage) yesterday"--
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Four students were asked to describe how three types of cells reproduce: a pollen cell, a leaf cell, and a human egg cell. Their responses are indicated in each row below.
Student Formation of a Pollen Cell Formation of a Leaf Cell Formation of a Human Egg Cell
Lexus Mitosis Mitosis Meiosis
Gabby Meiosis Meiosis Mitosis
Giovanny Mitosis Meiosis Mitosis
Breeanna Meiosis Mitosis Meiosis
Which student correctly identified how each cell reproduces?
A) Lexus
B) Gabby
C) Giovanny
D) Breeanna
Answers
Answer:Breeanna
Explanation:
during transcription, which enzyme catalyzes the addition of new ribonucleotides to the free 3' of the growing molecule?
Answers
During transcription, the enzyme that catalyzes the addition of new ribonucleotides to the free 3' of the growing molecule is : RNA Polymerase
What is RNA polymerase?RNA polymerase is a multi-unit enzyme that synthesizes RNA molecules from template of DNA by a process called as transcription. Transcription of genetic information into RNA is the first step in gene expression that precedes translation that is the process of decoding RNA into proteins.
RNA polymerase is the enzyme responsible for transcribing the genetic information stored in DNA to RNA. RNA polymerase is also known as DNA-directed RNA polymerase and is found in all living organisms and also many viruses.
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You are following two X-linked genes in a two-factor cross using Drosophila. If the genes assort independently, an F1 dihybrid female should produce ____.
Answers
If the genes assort independently in a two-factor cross using Drosophila, an F1 dihybrid female should produce four types of gametes in equal proportions, different combination of the two alleles for the two genes.
These four types of gametes are produced due to the independent assortment of the two genes during meiosis. Therefore, the F1 dihybrid female should produce offspring with a phenotypic ratio of 9:3:3:1 in the F2 generation.
According to the Principle of Independent Assortment, different genes separate from one another as reproductive cells mature. Gregor Mendel made the first observation of an independent assortment of genes and their associated phenotypes in 1865 while studying the genetics of pea plants.
The phenotype of an organism is a collection of its observable traits or characteristics. The expression alludes to an organism's morphology, or physical form and structure, as well as to its physiological and biochemical traits, behaviour, and the results of that behaviour.
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The two most common igneous rocks are basalt and granite. Basalt is commonly found ________ and granite is found _______
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The two most common igneous rocks are basalt and granite. Basalt is commonly found ocean land and granite is found continental land .
The thickness of oceanic land is 5 Km and continental land is 30 km. The continental land is made up of granite and ocean land is made of lava rock called basalt. The crust is thinnest layer of the earth. What is the oceanic crust?The outermost layer of the oceanic portion of the divergent plate boundaries.It is made of different types of basalt.It is thin and dense.What is continental crust?The thick part of the earth crust which acquires large masses on the land.It is also the layer of igneous, sedimentary and metamorphic rocks.Its thickness is about 25 to 70 kmlearn about earth
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Which ion is a found in a glass of water
Answers
In a glass of water, the most common ion found is the hydroxide ion (OH-) and the hydrogen ion (H+).
These ions are formed when water molecules dissociate through a process called self-ionization or autoionization.
In a glass of water, several ions can be found, originating from the dissociation of water molecules. The main ions present are hydrogen ions (H+) and hydroxide ions (OH-), resulting from the self-ionization of water.
Water molecules can break apart spontaneously into equal concentrations of H+ and OH- ions through a process called autoionization. This occurs when a water molecule donates a proton (H+) to another water molecule, forming H3O+ (hydronium ion) and OH-.
Additionally, other ions might be present in a glass of water depending on its source. For example, tap water can contain various dissolved ions like calcium (Ca2+), magnesium (Mg2+), sodium (Na+), chloride (Cl-), and bicarbonate (HCO3-). These ions come from minerals and other substances present in the water source, such as groundwater or surface water.
It's worth noting that the specific ion composition of water can vary depending on factors like location, treatment processes, and water source. However, the fundamental ions present in water are H+ and OH- resulting from the autoionization of water molecules.
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What are the 4 types of beverage?.
Answers
There are four types of beverages are: water, milk, juice, and smoothies.
In addition to being a vital source of water, beverages can also include other nutrients. Some drinks can include nutrients such as vitamins and minerals, protein, lipids, and other carbs in addition to energy.
At first, the syrup is mixed with water, after which the mixture is cooled, carbonated, and finally packaged. In the second, the manufacturer precisely measures a certain amount of syrup into each bottle before adding carbonated water.
Soft drinks with high sugar, artificial sweetener, and food coloring content raise the risk of diabetes and contribute to obesity. Soft drinks increase your chances of developing cancer and liver problems. Overall, the high sugar content of soft drinks is an issue for diabetes.
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Why do H+ ions travel only in one direction through the ATP synthase enzyme?
Answers
Answer: H+ ions only move one direction through ATP synthase because ATP synthase is powered by the potential/gradient that comes from a difference in the concentration of H+ on either side of the inner membrane.
YALL IM SO TIRED OF EGDE
Answers
Answer:
lol u basically had it right they petty
Explanation:
All of the following may be found in the walls of the respiratory bronchi except:
A. Smooth muscle
B. Surfactant-producing glands********
C. Goblet cells
D. Ciliated cells
Answers
Respiratory bronchi are the smallest branches of the bronchial tree and are responsible for transporting air to the respiratory zone of the lungs. "Surfactant-producing glands," is the correct answer to this question.
They differ from terminal bronchioles in that they contain alveoli in their walls. All of the following may be found in the walls of the respiratory bronchi except surfactant-producing glands. The respiratory bronchioles have smooth muscle, ciliated cells, and goblet cells in their walls.
The respiratory bronchi are the first set of tubes that carry air into the lungs. The respiratory bronchioles are the tiniest and final branches of the bronchial tree, with the alveoli contained within them. Therefore, the option B, "Surfactant-producing glands," is the correct answer to this question.
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Mt. Paricutin erupts explosively. Little lava helps build the cinder cone. It is almost all ash and rock. What type of magma does it most likely contain?
1) Basaltic
2) Andesitic
3)Rhyolitic
40 Pyroclastic
Answers
Click and drag each hormone or description Into the appropriate category to identify which organ secretest. Secretes natriuretic peptide to lower blood pressure Secretes peptide YY, a hormone that suppresses the appetite Secretes angiotensinogen and erythropoietin Secretes gastrin, which stimulates Secretes leptin, which has long term appetite-regulating affects Secretes a hormone that stimulates the pancreas and adipose tissue Adipose Tissue Secretes leptin, which has long- term appetite-regulating affects Heart Secretes angiotensinogen and erythropoietin Intestines Stomach Secretes gastrin, which stimulates hydrochloric acid production Osseous Tissue Liver
Answers
Adipose Tissue - Secretes leptin, which has long-term appetite-regulating effects. Heart - Secretes natriuretic peptide to lower blood pressure.
Intestines - Secretes peptide YY, a hormone that suppresses the appetite. Liver - Secretes angiotensinogen.
Osseous Tissue - Secretes erythropoietin. Stomach - Secretes gastrin, which stimulates hydrochloric acid production.
Pancreas - Secretes a hormone that stimulates the pancreas and adipose tissue (not listed as an option in the question, but likely referring to insulin).
Leptin, a hormone that plays a role in regulating appetite and energy balance, is secreted by adipose tissue. Natriuretic peptide, which the heart secretes and which aids in lowering blood pressure and regulating fluid balance in the body. Peptide YY, a hormone that aids in controlling digestion and suppressing hunger, is secreted by the intestines. In order to aid in digestion, the stomach secretes gastrin, a hormone that increases the synthesis of hydrochloric acid. Both erythropoietin, a hormone involved in producing red blood cells, and angiotensinogen, a precursor to angiotensin, which regulates blood pressure, are secreted by the liver. It is likely referring to osteocalcin, a hormone involved in glucose metabolism and fat management, when it is said that osseous tissue (bone) secretes a hormone that activates the pancreas and adipose tissue.
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which of the following events is most likely to result in conditions suitable for primary succession?
Answers
Answer:
An earthquake , a forest fire , a hurricane and a volcanic eruption.
Explanation:
An earthquake , a forest fire , a hurricane and a volcanic eruption are the events that is responsible for the suitable conditions for primary succession because all the population of animals and vegetation are removed from an area and the new type of organisms is start to living in that new environment. These new organism has the ability to survive that environmental conditions. These events completely removed the population in the environment and provides conditions for primary succession.
Answer:
Volcano eruption
Explanation:
Took the test
Canyons and mesas are two landforms found in the western part of theUnited States. Which statement best describes how canyons and mesas are similar?
Answers
Canyons and mesas are both steep-sided landforms with flat tops.
What do you mean by landforms?
Landforms are the physical features that make up the Earth's surface. This includes mountains, valleys, plains, plateaus, hills, shorelines, and so on. They are formed by the processes of erosion and deposition, as well as tectonic activity. Landforms can have a significant impact on the climate, vegetation, and human activity in an area. They can also be important habitats for certain plants and animals.
Canyons are deep, narrow valleys formed by erosion, usually by a river running through them. The sides of a canyon are usually steep walls of rock or dirt. Mesas are flat-topped hills or plateaus with steep sides, usually formed by erosion from a plateau or topographic uplift. The sides of a mesa are usually made up of erosional remnants, such as buttes and cliffs, or of sedimentary layers that have been exposed by erosion.
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What would be happened if the light emitted in the flame test were passed through a prism?
Answers
We have mentioned how atoms and molecules can absorb photons, thereby ... case of what happens when a hydrogen atom absorbs light in the visible or UV region of ... Thus, by examining the colors of light emitted by a particular atom, we can ... In the lab, we can often distinguish between elements by using a flame test.
Rainbows are created when sunlight passes through rain drops that act as ... the atoms and molecules are emitting energy in the form of visible light. ... Part One: Flame Tests (As an option, this could be a demo rather than a student activity).
Explain the difference between each of the following substitution mutations:
a. Silent mutation -
b. Missense mutation –
c. Nonsense. Please HELP
Answers
Answer: silent mutation: a nucleotide base in a codon is replaced with a different base BUT the resulting amino acid isn’t affected.
Missense mutation: similar to a silent mutation, the only difference is that the switch of the nucleotide DOES result in a DIFFERENT amino acid
Nonsense mutation: a nucleotide base is changed, but that change results in a premature stop of translation
(Remember that after transcription, you are left with a strand of mRNA that Is then translated into a protein. The mRNA is read in increments of three nucleotide bases (A,U,G, or C) which is called a codon. That codon makes a single amino acid, and a strand of amino acids makes a protein)
2. What does substrate-level phosphorylation involve?
a. the direct formation of ATP by energy released during chemical reactions
b. the formation of ATP by the flow of protons through a membrane protein channel
c. the formation of ATP by the addition of oxygen
d. all of the above
Answers
Answer:
A
Explanation:
Because of a
During which phases does the moon appear to be fully visible?
Answers
Answer: New Moon
Explanation: During the new moon phase, the moon is not visible. Sometimes it can be detected by noting the visible absence of the stars that it blocks. Additionally, during new moon, sometimes enough light is reflected off the surface of the Earth that the disk of the moon is faintly visible.
What i needed for cellular repiration?
Repone
water and ugar
water and ugar
oxygen and lactic acid
oxygen and lactic acid
carbon dioxide and water
carbon dioxide and water
ugar and oxygen
Answers
Oxygen is needed for cellular respiration. Cellular respiration is a complex metabolic process that occurs in the mitochondria of cells.
It involves the breakdown of glucose through a series of biochemical reactions, ultimately producing carbon dioxide, water, and energy in the form of ATP.
Oxygen plays a vital role in cellular respiration as it serves as the final electron acceptor in the electron transport chain, a critical step in generating ATP.
Without oxygen, the process of cellular respiration cannot proceed efficiently, leading to a decrease in ATP production.
An adequate oxygen supply is essential for cells to meet their energy demands and maintain their vital functions, making it a fundamental requirement for cellular respiration to occur effectively.
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The substances needed for cellular respiration are oxygen and glucose.
1. Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.
2. Glucose is a type of sugar that serves as the main source of fuel for cellular respiration. It is obtained from the food we eat.
3. Oxygen is required for cellular respiration to occur. It is obtained through breathing and is transported to the cells via the bloodstream.
4. During cellular respiration, glucose is broken down into a simpler molecule called pyruvate through a process called glycolysis. This occurs in the cytoplasm of the cell.
5. Pyruvate then enters the mitochondria, where it undergoes further chemical reactions in a process called the Krebs cycle or citric acid cycle.
6. In the presence of oxygen, the Krebs cycle produces energy-rich molecules called ATP, which stands for adenosine triphosphate. ATP is the primary form of energy used by cells.
7. Carbon dioxide is produced as a waste product during cellular respiration. It is released into the bloodstream and transported to the lungs to be exhaled.
8. Water is also produced as a byproduct of cellular respiration. It is formed through a series of reactions that occur during the electron transport chain, which takes place in the mitochondria.
In summary, cellular respiration requires oxygen and glucose to produce energy, carbon dioxide, and water.
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It is found that different enzymes have different temperatures at which they work best as shown in the graph. For example, the Enzyme 1 shown is found in humans and is active at 37 degrees C, the human body temperature. What can we say about Enzyme 2?
Answers
Answer: It could have a temperature difference or could be the same temperature
Explanation:
If all enzymes work at different temperatures some enzymes might work at 38 degrees C or 37 degrees c etc.
Based on the information provided, it can be inferred that Enzyme 2 is most active at a temperature different from 37 degrees Celsius, the body temperature of humans.
What is enzyme activity?Enzyme activity refers to the ability of an enzyme to catalyze a chemical reaction. Enzymes are proteins that facilitate chemical reactions in the body, and they do so by lowering the activation energy required for the reaction to occur. This allows the reaction to proceed more quickly and efficiently.
Enzyme activity can be affected by various factors, including temperature, pH, and the presence of specific substrates or inhibitors. Different enzymes have optimal temperatures at which they function most efficiently, and these can vary widely depending on the enzyme and the organism in which it is found.
Some enzymes are more stable and can function over a wide range of temperatures, while others are less stable and may be denatured or become inactive at higher or lower temperatures
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Compare and contrast membrane transport via symport and antiport transporters.
Answers
Symport transporters move two or more solutes in the same direction across a membrane, whereas Antiport transporters move them in the opposite direction.
Symport transporters: They are present in nutrient absorption in the intestine, for example SGLT (Sodium-Glucose Cotranspoter)
Antiport transporters: They are present for ion transport and to maintain electrochemical gradients. They play an important role in nerve transmission and muscle contraction. For example, sodium-potassium pump.
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Neisseria gonnorrhoeae is a gram-negative diplococcus that typically causes symptomatic infections in males. The presence of neisseria gonorrhoeae is urethral pus is diagnostic for gonorrhea in males. What would be observed in a positive gram stain?.
Answers
The major observation in positive gram stain would be the presence of paired red spheres bacteria, which means that option C should be the right answer.
Gram stain is the test done to identify the bacteria or differentiate them. The stain used is purple in color. If the stain is taken by the bacteria and turns it into red or pink, it implies that bacteria is gram negative. If the bacteria retains purple color, it means that it is gram positive. It is generally done to identify the presence of bacteria or diagnose fungal infections. In case of gram positive stain, the color of bacterial colonies would be red under microscope and since they agglomerate together due to oxidase test, the shape becomes slightly circular. Neisseria gonnorrhoeae is a kind of bacteria involved in affecting the reproductive glands, cervix or urethra if the person is suffering from sexually transmitted diseases. It can also be passed on to other person during sexual contact.
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To refer to complete question, see below:
Neisseria gonorrhoeae is a Gram-negative diplococcus that typically causes symptomatic infections in males. The presence of Neisseria gonorrhoeae is urethral pus is diagnostic for gonorrhea in males. What would be observed in a positive Gram stain?
a. paired red rods
b. paired purple rods
c. paired red spheres
d. paired purple spheres
the parts of a cell.
Answers
Answer:
nucleus
mitochondria
cell membrane
cytoplasm
ribosomes
Explanation:
In this case, the solution is......... to the cell.
a. Hypotonic
b. Hypertonic
c. isotonic
d. equitonic
Answers
Answer:
Hypotonic
Explanation:
The solute concentration outside of the cell is lower than inside of the cell.
How many decimal positions are moved to concert a meter to a kilometer?
Answers
Answer:
Meter and Kilometer? Not sure with your question.
Explanation:
1 Meter = 0.001 Kilometers.
1 Kilometer = 1,000 meters.
How can humans protect animal populations from becoming extinct?
Humans can report endangered animal sightings.
Humans can stay home and not go out into nature.
Humans who see endangered animals can ignore them.
Humans can stop killing endangered animals.
Answers
Answer: Humans can stop killing endangered animals.
Explanation: We can use the process of elimination which means you erase the answers you think are incorrect so you can get closer to the answer you think is most correct (or the correct answer). It's not "Humans can stay home and not go out into nature." because how are you able to take action when you don't do stuff where the stuff is? I mean how are you able to protect animal populations when you don't go where they are? I think we should cross out that answer because of the answer I just said above.
Then, we are left with 3 options to choose,
"Humans can report endangered animal sightings.", "Humans who see endangered animals can ignore them.", and "Humans can stop killing endangered animals."
It's not the option "Humans who see endangered animals can ignore them." because if you don't see them then how are you going to act. Ignoring means that you don't pay attention to them. How are you going to able to protect an animal if you don't pay attention to them? To take care of an animal (by protecting them), you have to pay attention to them. Paying attention means that you care for them, like washing their face for them or brushing their hair for them (like brushing the fur of a dog with a comb or a brush).
Then we are left with two options!! Yay. We are almost there.
Reporting endangered animal sightings mean you'll rely on someone else to take care of the animal. If you can do it better, then take care of the animal yourself. Of course you can do better. Do it yourself. Just do it. Like what Nike said.
A tip for answering questions: For me, I just choose an option if I don't know which one to choose like if I don't know the answer. Just trust your conscious or the voice you think with to choose an option. For example, think, "I think B is the right answer." and then choose B. Or just choose an answer. If you don't know multiple answers, then just choose one letter or number (like the number in front of it) multiple times over all of the questions. Like keep choosing the answer B for question number 1, 2, 3, 4, 5, etc.
A message for today: Always stand up for yourself! You are awesome, amazing, and cool. You're a birthday man/woman/boy/girl on your birthday. You're a special person. You are smart and courageous. Thanks for asking for help. :) love ya xoxo
Also I am listening to Sabrina Carpenter - Sue Me right now. Now I am listening to F KJ - Just Piano (In partnership with Calm). :)
What is the adaptive significance of the seta of the sporophyte growing well above the mat of the gametophytes?
Answers
Answer:
Is the sporophyte more prominent in mosses or liverworts? Are mosses gametophyte or sporophyte dominant? What is the adaptive significance of the seta of the sporophyte growing well above the mat of the gametophyte ? Better dispersal of spores
Explanation:
how does the muscular system help the body maintain homeostasis? if it doesn't function correctly how does it affect the body?
Answers
Answer:
Skeletal muscles contribute to maintaining temperature homeostasis in the body by generating heat. Muscle contraction requires energy and produces heat as a byproduct of metabolism.
Explanation:
hope this helps
The transfer of pollen grains to the female part of the plant is called in vitro fertilization.
True or False?