Deck 16: Quantitative Genetics

Question 1

How can heritability be measured?
a.Compare individuals with different degrees of relatedness.
b.Eliminate one of the variance components.
c.Analyze regression observed from parents to offspring.
d.All of the above methods can be used to measure heritability.

Answer 1

All of the above methods can be used to measure heritability.

Question 2

What is the predicted response to selection Rif the narrow-sense heritability is 0.5 and the selection difference is 0.8?
a.0.2
b.0.4
c.0.3
d.1.3

Answer 2

0.4

Question 3

Which of the following is a limitation of heritability?
a.Heritability characteristics are universal.
b.Environmental factors cannot influence heritability.
c.Heritability does not test the degree that a trait is genetically determined.
d.All of the above are limitations.

Answer 3

Heritability does not test the degree that a trait is genetically determined.