If Two Women Have Identical Alleles of the Suspected 20

Multiple Choice

If two women have identical alleles of the suspected 20 height-associated genes,why might one of those women be 5 feet 5 inches tall and the other 5 feet 8 inches tall?

A) because the identical 20 alleles cause variation in the phenotype
B) because phenotype dictates genotype
C) because environmental factors also play a role in the phenotype of this trait
D) none of these
E) all of these