in which method of calculating allelic frequency would you not need to know the actual numbers of the different genotypes in the population?please choose the correct answer from the following choices, and then select the submit answer button.answer choicescalculating by numbers of phenotypescalculating by genotypic frequenciescalculating by number of individuals in the populationcalculating by phenotypic frequencies
Answers
The correct answer is calculating by phenotypic frequencies. This method allows us to determine allelic frequency by simply observing the frequency of a particular trait or phenotype in the population, without needing to know the actual numbers of the different genotypes present.
This can be useful in situations where it is difficult or impractical to determine genotypes directly, but we can still infer the presence of certain alleles based on their associated phenotypes. However, it is important to note that this method may not be as accurate as calculating genotypic frequencies, which takes into account the actual numbers of each genotype in the population.
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Related Questions
Which activity contributes to an increase in the concentration of greenhouse
gases in the atmosphere?
Answers
Answer:
D. Deforestation
Explanation:
Loss of forests contributes as much as 30 percent of global greenhouse-gas emissions each year--rivaling emissions from the global transportation sector.Hopes this helps. :)
Answer:
D
Explanation:
Just took the quiz
Which phrase used by the president was specifically chosen to convince the public to support the war?
“facts of yesterday”
“unprovoked and dastardly attack”
“have already formed their opinions”
“a state of war has existed”
Answers
The phrase used by the president was specifically chosen to convince the public to support the war is “unprovoked and dastardly attack”. Thus, option "B" is correct.
How, support your answer?President Roosevelt was in office when Pearl Harbor happened, and it was the perfect occasion that the government of the United States needed to enter a war that was clearly being won by the Germans and Japanese, they had already taken decisions prior to this to help the allies, but they couldn´t directly send troops when the bombings on Pearl Harbor took place, and since the USA had never provoked, attacked or done anything to upset Japan, they were now able to declare war on Japan an its allies.
Thus, option "B" is correct.
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Answer:
B
Explanation:
Did the assignment
Speciation on islands is influenced by
island gigantism
adaptive evolution
variation in species
reproductive success
Answers
Answer:
i think its b
Explanation:
What results from adaptive evolution?
Adaptive evolution pertains to evolutionary changes in an organism that make it suitable to its habitat. The changes result in an increased chance of survival and reproduction. The changes enable the particular organism to fit to an environment.
Speciation on islands is influenced by adaptive evolution. Thus, option B is correct.
What is Adaptive evolution?Adaptive evolution pertains to evolutionary changes in an organism that make it suitable to its habitat. The changes result in an increased chance of survival and reproduction. The changes enable the particular organism to fit to an environment.
One species could split into two if a physical barrier (such as a new river, divided its geographic range). If the barrier is large enough, gene flow between them would cease and the two separate populations would evolve independently. Different alleles would be fixed in them; because of the hazards of mutation and drift, or because selection favored different characters in the two.
Then if the barrier is removed and the populations are reunited, they might remain distinct from each other. There would now be two species where there was formerly one.
Therefore, Speciation on islands is influenced by adaptive evolution. Thus, option B is correct.
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what is a primary role of decomposers in ecosystem
Answers
Answer:
to decompose organic matter
Explanation:
Answer:
Decomposers feed on dead things: dead plant materials such as leaf litter and wood, animal carcasses, and feces. They perform a valuable service as Earth's cleanup crew. Without decomposers, dead leaves, dead insects, and dead animals would pile up everywhere.
The increasing use of internal combustion engines could eventually deplete which resource?.
Answers
Energy that are not renewable can be
exhausted and the increasing use of internal combustion engines could eventually deplete petroleum.
What is petroleum?Petroleum are fuel that are mainly produced from natural gas. This includes crude oil and some others hydrocarbons.
This fuel are used by vehicles, heavy machines to generate energy. The energy is a nonrenewable one.
Therefore, The increasing use of internal combustion engines could eventually deplete petroleum energy.
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Less visible spider webs catch more insects than more visible webs. However, some spiders build webs that include very sizable zigzag lines. What benefits might the spider gain by building such a visible web? Select all correct answers.
Webs with zigzag lines may be easier to build than those without the lines, saving the spider energy
The lines may help to camouflage the spider from potential predators
Spiders with lower fitness make webs with visible zigzag lines. Eventually this trait will be selected against by natural selection
The visible lines may keep larger animals from crashing into the web and destroying it, so the spider does not need to rebuild the web
Answers
Answer:
The visible lines may keep larger animals from crashing into the web and destroying it, so the spider does not need to rebuild the web
The lines may help to camouflage the spider from potential predators
Explanation:
Trust me I just took a quiz with this exact question lol
The visible lines may keep larger animals from crashing into the web and destroying it, so the spider does not need to rebuild the web.
What is a spider web?A spider web is built by sipder to serve as a sort of bridge when travelling or as a kind of protection but most importantly to trap insects for food.
The benefits that a spider may gain by building a visible web is that the visible lines may keep larger animals from crashing into the web and destroying it, so the spider does not need to rebuild the web.
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the head of the humerus fits into the ________ of the scapula.
Answers
The joint most people picture as the shoulder is the glenohumeral joint. A shallow cup-shaped socket (glenoid) in the scapula and a ball (head) at the top of the humerus fit together to form the joint, allowing for a large range of motion.
What is Shoulder Anatomy?Scapula, which is the shoulder blade, clavicle, and humerus are the three bones that make up the shoulder (upper arm bone). The acromioclavicular joint, where the highest point of the scapula (acromion) meets the clavicle, and the glenohumeral joint allow the shoulder to move.The smooth, elastic cartilage that covers the surfaces of the bones where the ball and socket meet allows the joint to move freely and absorbs trauma.The shallow shoulder socket necessitates a reliance on the soft tissues around it to support the joint and keep the parts secured. In order to construct a protective capsule that is lined with a thin membrane known as the synovium, many of these soft tissues surround the joint.For the purpose of lubricating and cushioning the joint, the synovium secretes a fluid called synovial fluid.The labrum, a fibrous ring of cartilage that surrounds the glenoid, or shoulder socket, creates a deeper socket for the ball to stabilize the joint. The rotator cuff is a network of muscles and tendons that covers the top of the humerus, or upper arm bone, to hold it in place and allow the arm to rotate. The deltoid, the shoulder's largest and strongest muscle, gives the arm the strength to lift.the forearm may rotate and the elbow can bend thanks to the biceps muscle, which is attached to the biceps tendon that originates at the top of the shoulder socket.To Learn more About shoulder refer to:
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“Some viruses are programmed to reproduce by identifying bacteria, killing them, and assembling new viruses.viruses do not eat the bacteria and do not grow after they are made. Viruses are not alive. Explain two reasons why.”
Answers
1. Viruses cannot reproduce on their own: Unlike living organisms, viruses cannot reproduce on their own. They need to infect a host cell and hijack the host cell's machinery in order to replicate themselves. Once they have infected a host cell, they use the cell's energy and resources to create new copies of themselves. However, they do not have the ability to reproduce outside of a host cell.
2. Viruses do not have the ability to carry out metabolic processes: Living organisms carry out metabolic processes, such as respiration and digestion, in order to obtain energy and nutrients. Viruses do not have the ability to carry out these processes on their own. They rely entirely on the host cell to provide them with energy and nutrients. In fact, viruses do not even have the necessary machinery to carry out these processes. They lack the organelles, such as mitochondria, that are responsible for energy production in living cells.
which brain structure responds to stimuli, conducts electrical impulses, and releases neurotransmitters
Answers
Answer:
Neurons
Explanation:
Ferns, such as the one in the picture, can be found today. They are usually found
growing in warmer climates. However, fossils of ferns have been found in places with
cold climates where it often snows today. What can we conclude about the places
where the fossils of ferns have been found?
A. Ferns used to live in cold climates.
B. These places once had a warmer climate.
C. Someone tried to grow ferns in cold climates.
D. These places once had a colder climate.
Answers
Answer:
B. These places once had a warmer climate.
Explanation:
They're fossils meaning they're extremely old therefore the climate they once grew in was suitable for its needs until the climate changed causing them to die.
After studying the movement and communication of plants, what did charles darwin feel compelled to suspect
Answers
Answer:
He felt that plant movement was strongly caused by mechanical means
Explanation:
After studying the movement and communication of plants, Charles Darwin was compelled to suspect that the response to light and water could be because of botanical adaptations to natural selection.
what is the movement and communication of plants?According to the power of movement in plants, written by Charles Darwin plants respond to external stimuli. Evaluation can be the main reason behind the changes that are taking place in plants with respect to movement and communication.
This movement and communication seen in plants could be gradual, leading to a modification to the response to natural sources.Darwin observed that the cotyledons attracted to light were a typical example of phototropism.To learn more about movement and communication, refer:
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Which result most likely occurs when cold and warm air masses collide?
O A. The cold air mass pushes under the warm air mass.
O
B. The warm air mass pushes under the cold air mass.
o
C. The cold air mass and the warm air mass remain stationary.
O
D. The cold air mass and the warm air mass mix to create a new air system.
Answers
When cold and warm air masses collide, it is most likely that the warm air mass will be pushed over the cold air mass. The correct option is B. The reason for this is that cold air is denser than warm air.
As a result, when a cold air mass and a warm air mass meet, the cold air mass will move beneath the warm air mass, causing the warm air mass to be displaced upwards. When the warm air mass is lifted, it cools, and any moisture in it condenses to form clouds, resulting in precipitation, such as rain or snow.
The resulting weather is frequently unstable, with thunderstorms and high winds, as well as tornadoes or hurricanes. These weather systems can cause significant damage to property and loss of life.
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Enzymes can . . . (check all that apply)
Break molecules
Stabilize a reaction
Add molecules
rearrange molecules
build molecules
Answers
how does the burning of fossil fuels contribute to the net increase in atmospheric carbon? group of answer choices carbon released by the burning is not in a form that can be readily absorbed by plants, leaving residual carbon in the atmosphere. photosynthesis is reduced by virtue of increased smoke and haze. carbon released by the burning increases plant growth, producing more carbon for the atmosphere. carbon released by the burning is more easily absorbed in the atmosphere than that produced by natural means. carbon that has been sequestered underground is added to the carbon cycling between the atmosphere and the biosphere.
Answers
Burning fossil fuels contributes to the net increase in atmospheric carbon because (С) Carbon that has been sequestered underground is added to the carbon cycling between the atmosphere and the biosphere.
Fossil fuels are made with the aid of using decomposing flowers and animals. These fuels are observed withinside the Earth's crust and include carbon and hydrogen that may be burned to supply energy. Coal, oil and herbal fueloline are examples of fossil fuels.
Fossil fuels are formed by the decomposition of buried carbon-based organisms that died millions of years ago. They create carbon-rich deposits that are decomposed and burned for energy. They are non-renewable and currently provide about 80% of the world's energy.
These have a lot of carbon in them and when they were buried underground they took the carbon out of the atmosphere.
In summary, burning fossil fuels puts carbon back into the atmosphere, increasing the carbon in the atmosphere.
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Describe two ways in which the cell in the strong sugar solution is different from the cell in distilled water.
Answers
Answer:
smaller vaculoe and less cytoplasm
Explanation:
consequently, sivs duplicate poorly in humans because siv nef does not antagonize human tetherin. in contrast, hiv evolved into an utterly different tetherin antagonis
Answers
SIVs duplicate poorly in humans because SIV Nef does not antagonize human tetherin. In contrast, HIV evolved into a completely different tetherin antagonist.
Consequently, this affects the transmission and viral replication of both viruses in different species.SIV (simian immunodeficiency virus) is a lentivirus strain that is similar to HIV and causes a chronic infection in African primates. SIVs duplicate poorly in humans because of the inability of SIV Nef (an accessory protein produced by SIV) to antagonize human tetherin (a type I interferon-induced transmembrane protein).In contrast, HIV (human immunodeficiency virus) is the virus that causes AIDS (acquired immunodeficiency syndrome) in humans.
HIV evolved into a completely different tetherin antagonist, which permits it to multiply effectively in human cells by combating human tetherin.HIV-1 encodes two proteins (Vpu and Env) that work together to antagonize human tetherin, allowing HIV-1 to spread effectively in humans. Therefore, SIV and HIV have distinct tetherin antagonists that impact viral transmission and replication in their respective host species.
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Errors in transcription occur about 100,000 times as often as do errors in DNA replication. Explain one way errors in DNA replication are corrected.
Answers
DNA polymerase is one way to directly correct DNA replication errors. It checks the base that has been freshly supplied ahead of the succeding base so a corretion can be done. If it cannot proofread, an outcome of mutation is greatly possible which is considered as an i
(it’s a multi choice question please helpppp) Which of the following is a reason scientists use models?
Answers
Explain the changes in the numbers between trophic levels as you go from producers to tertiary
consumers in this ecological pyramid.
Answers
Which statement is true of chloroplasts?
They transport glucose into the cell.
They convert light energy into chemical energy.
They convert the energy in glucose into a more usable form.
They are present in animal cells, but not in plant cells
Answers
Answer:
3 answer is actually true i guess.
which of these consumers might depend on plankton for its energy? krill orca rabbit seaweed PLEASE ANSWER ASAP
Answers
Answer:
Krill and orca are both consumers that depend on plankton for their energy. Krill are small, shrimp-like animals that are a major food source for many marine animals, including orcas. Orcas are large, apex predators that hunt in packs to catch krill and other small marine animals. Rabbits and seaweed are not consumers that depend on plankton for their energy. Rabbits are herbivores that eat plants, and seaweed is a plant that gets its energy from the sun.
Here is a table that shows the relationship between these consumers and plankton:
Consumer : Relationship to plankton
Krill: Plankton is a major food source
Orca: Plankton is a prey item
Rabbit: Plankton is not a food source
Seaweed: Plankton is not a food source
How would infection on the oesophagus affect the process of digestion?
Answers
Answer:
An infection would cause inflammation in the oesophagus and food would not be able to pass through freely, therefore affecting the digestive process.
I want to help me with questions
Answers
A rubber ball dropped from a certain height has constant uniform acceleration due to gravity. Therefore, rubber ball dropped from a certain height is an example of uniform acceleration.
Elastic potential energy causes a ball to bounce as it is transformed into kinetic energy, which then brings the ball back up. However, the ball does not get high as in the start, because some of its energy is transferred to the floor or into sound.
And also, as the ball hits the ground, or a table, it changes shape for a split second, even though we don't see it. This also requires energy.
Therefore, we can observe that the height of each bounce is a little less than the previous one. Some of the kinetic energy of the ball is retained, when it strikes the floor but all the other is transformed. It loses a bit of its kinetic energy every time the ball bounces and after that it ceases to bounce after several strikes.
While playing tug of war, one person pulls the rope to the left with 50N force and another pulls to the right with 65N force.
A rope will have same tension throughout even when forces acting on both ends are different when the rope considered is massless and inextensible. The rope does not exert any force other than tension. As the tension on an ideal rope is uniform, the forces ( although not same) produce uniform tension.
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Many research studies have shown that different species may possess some of the exact same genes but show vastly different traits. How can that happen?
Answers
Answer:
Mutation can occur or the order in which these genes appear are in different order. Genetic variation can also occur.
Please answer the image
Answers
What part of the neuron receives signals from other neurons.
Answers
Answer:
dendrites
Explanation:
Nerve cells (neurons) have extensive processes called dendrites. These occupy a large surface area of a neuron. They receive many signals from other neurons and contain specialized proteins that receive, process, and transfer these to the cell body.
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what is the main function of the ribosomes in the cell? multiple choice to break down proteins into individual amino acids to provide strength and structural support for the cell membrane to form the nuclear envelope to synthesize proteins to synthesize dna
Answers
Answer:
break down proteins into individual amino acids
Explanation:
PLEASE HELP!! ASAP favorable adaptations are genetic mutations that
A are acquired by increased use of an organ
B improve the organism’s chances of survival
C cannot be passed on to the next generation
D reduce the organism’s chances of survival
Answers
Answer:
[B] improve the organism’s chances of survival
Explanation:
Favorable adaptation are individual better suited to survive and reproduce in their environment. Meaning that will become more and more common in the population. Which also means they increase an organism's chances of surviving or reproducing, so they are likely to become more common over time.
Basically, improve the organism's chances of survival and reproducing. As a result we can see that the best answer choices is [B] improve the organism’s chances of survival
Kavinsky
Where does the first stage of photosynthesis occur.
Answers
Answer:
The first step of photosynthesis occurs in the chloroplasts of plant cells.
Explanation:
Light photons are absorbed by a pigment called chlorophyll, which is abundant in the thylakoid membrane of each chloroplast.
which came first the chicken or the egg (this is for a school asignment i promise)
Answers
Answer:
fs the chicken
Explanation:
Answer:
two birds that weren't really chickens created a chicken egg, and hence, we have an answer: The egg came first, and then it hatched a chicken.
Explanation: