A researcher tracks the escape behavior of a population of squirrels on campus a

Question

A researcher tracks the escape behavior of a population of squirrels on campus across two generations. When she plots the escape behavior of the offspring generation against the parental behavior, she notes that the offspring’s behavior exactly matches the parental behavior. Nonetheless, the narrow-sense heritability equals zero. How can the heritability equal zero in this example?

Select one:

a. The additive genetic variance equals zero.

b. All the escape behavior alleles are fixed in the population.

c. There is no phenotypic variation.

d. A and B

e. All of the above

QUESTION 2

Select one:

a. A lack of mutation will prevent the haplotypes from changing.

b. Epistasis will maintain haplotype frequencies.

c. Haplotype frequencies do not change in Hardy–Weinberg populations.

d. RC populations are stuck on a local maximum.

e. Bacteria evolve slowly.

Explanation / Answer

1.. option d - both A nd B are correct

2. option A - lack of mutation will prevent the haplotypes from changing

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