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As the population size increases, the probability that an allele will fix in the population also increases. This is because larger populations provide more opportunities for the allele to spread and become fixed.

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The influence of genetic drift on allele frequencies increases as?

The influence of genetic drift on allele frequencies increases as the population size decreases. In smaller populations, random fluctuations in allele frequencies due to sampling effects have a greater impact on the overall genetic composition. Additionally, genetic drift is more pronounced in isolated populations where there is limited gene flow, leading to greater changes in allele frequencies over time.


What is the effect of a bottleneck on allele frequencies?

A bottleneck can reduce genetic diversity by decreasing the population size, leading to a loss of alleles. This can increase the likelihood of genetic drift and limit the ability of the population to adapt to changing environments. It can also increase the frequency of deleterious alleles due to random fluctuations in the small population.


A flood kills most of a population of ants that lives near a river. After the flood the ant population increases but its allele frequencies are different. What does this situation represent?

bottleneck (apex) [correct]


How does population size affect the likelihood of changes in allele frequencies by chance alone?

Mutation rates are small but constant. With a typical mutation rate of 1 x 10-6, it is expected that 1 out of a million individuals in a population will carry the mutation. If the population size is small (10,000 or fewer individuals), the probability that the mutation will be present is small (~1% with 104 individuals). If population sizes are large (107 or more individuals), the probability that the mutation will be present is large (~10 mutants expected if 107 individuals are in the population). Mutations can be lost from populations through genetic drift, and large populations experience less genetic drift than small populations. Thus mutations are more likely to exist and persist in large populations than in small populations.


What does hardy Weinberg model show?

Allele frequency is inherently stable.

Related Questions

The influence of genetic drift on allele frequencies increases as?

The influence of genetic drift on allele frequencies increases as the population size decreases. In smaller populations, random fluctuations in allele frequencies due to sampling effects have a greater impact on the overall genetic composition. Additionally, genetic drift is more pronounced in isolated populations where there is limited gene flow, leading to greater changes in allele frequencies over time.


Population growth pattern where a population grows faster as it increases in size as it increases in size is what?

Exponential


What happens to a raccoon when the size of the habitat increases?

The population increases too.


What is the primary characteristic of a probability sample?

In the context of a sample of size n out of a population of N, any sample of size n has the same probability of being selected. This is equivalent to the statement that any member of the population has the same probability of being included in the sample.


How does the size of the human population change with time?

Like the populations of many other living organisms,the size of the human population tends to increase with time.


What are the differences between probability sampling and non probability sampling?

In a probability sample, each unit has the same probability of being included in the sample. Equivalently, given a sample size, each sample of that size from the population has the same probability of being selected. This is not true for non-probability sampling.


What is the probability that one of the offspring mice will have black fur?

The answer depends on how big the litter is: as the litter size increases the probability of one black fur increases. But as it gets larger still, the probability falls because two or more black furs become more probable.


What is the effect of a bottleneck on allele frequencies?

A bottleneck can reduce genetic diversity by decreasing the population size, leading to a loss of alleles. This can increase the likelihood of genetic drift and limit the ability of the population to adapt to changing environments. It can also increase the frequency of deleterious alleles due to random fluctuations in the small population.


What is the definition for probability sample?

A probability sample is one in which each member of the population has the same probability of being included. An alternative and equivalent definition is that it is a sample such that the probability of selecting that particular sample is the same for all samples of that size which could be drawn from the population.


Population control factors whose effects increase as the size of the population increases?

Temperature


A flood kills most of a population of ants that lives near a river. After the flood the ant population increases but its allele frequencies are different. What does this situation represent?

bottleneck (apex) [correct]


What happens to a population when the size of the population reaches carrying capacity?

starvation increases to the point where this population is maintained.