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Genetic Inheritance and Sampling Variation

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Genetic Inheritance and Sampling Variation

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Questions and Answers

Why are gene frequencies subject to sampling variation between successive generations?

Because the gene frequencies are constant in each generation

Because the population size directly affects the sampling variation (correct)

Because the gene frequencies change with each generation

Because the number of parents determines the gene frequencies

What is the significance of a 'large population' in terms of gene frequencies?

It reduces the genetic diversity within the population

It accelerates the transfer of genes from one generation to the next

It minimizes the impact of sampling variation on gene frequencies (correct)

It increases the likelihood of genetic mutations

How does the number of adult individuals in a population affect gene frequencies?

It has no effect on gene frequencies

It influences the magnitude of sampling variation in gene frequencies (correct)

It causes the gene frequencies to remain constant over generations

It directly determines the rate of gene mutations

What happens to gene frequencies when the number of parents is smaller?

They are subject to more sampling variation Signup and view all the answers

In what type of population is sampling variation considered negligible?

Large population Signup and view all the answers

How does a 'large population' affect gene frequencies?

It stabilizes gene frequencies Signup and view all the answers

What would be a complete description of the genetic constitution of a group of individuals?

Specifying their genotypes and the number of each genotype Signup and view all the answers

In the context of a certain autosomal locus, A, how many possible genotypes exist when two different alleles, Aj and A2, are present?

Three genotypes Signup and view all the answers

What are the proportions or frequencies of individuals belonging to each genotype called?

Genotype frequencies Signup and view all the answers

If one-quarter of the individuals in a group possess the genotype AjA2, what would be the frequency of this genotype?

0.25 or 25 percent Signup and view all the answers

What must be the sum of the frequencies of all the genotypes together?

$100$ percent Signup and view all the answers