What Does a Heritability of

Multiple Choice

What does a heritability of .9 for height mean?

A) Ninety percent of a specific person's height is caused by her genes.
B) Ninety percent of a specific person's height is caused by her environment.
C) Ninety percent of a specific person's height is caused by the interaction of her genes and environment.
D) The differences in height across the whole population are 90 percent attributable to genetic variations between that population's members.