Imagine you hear a report about a heritability study that claims trait X is "50% genetic." Which of the following is a more accurate way of stating this?
A)Fifty percent of individual differences of trait X within a population are due to genetic factors.
B)Only half of a population has the trait.
C)The trait is homozygous.
D)More than 50% of similarities of trait X within a population are due to genetic factors.

Question

Quizplus · Accepted Answer

This option accurately reflects the meaning of heritability studies. They measure the proportion of variation of a trait within a population that can be attributed to genetic factors, rather than the presence or absence of the trait or the degree of homozygosity.

Imagine You Hear a Report About a Heritability Study That