Assuming that a trait (e.g., claw size) is heritable, what is the correct interp

Question

Assuming that a trait (e.g., claw size) is heritable, what is the correct interpretation of an r2 = 1.0 for a regression of offspring claw size on parental claw size?

Question 12 options:

the trait cannot be acted on by natural selection

all genetic variation is due to phenotypic effects

the trait is not heritable

all phenotypic variation is due to environmental effects

all phenotypic variation is due to genetic effects

a)

the trait cannot be acted on by natural selection

b)

all genetic variation is due to phenotypic effects

c)

the trait is not heritable

d)

all phenotypic variation is due to environmental effects

e)

all phenotypic variation is due to genetic effects

Explanation / Answer

e) all phenotypic variation is due to genetic effects.

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