Allelic Variation at the Insulin Growth Factor-1 Gene Is One

Multiple Choice

Allelic variation at the insulin growth factor-1 gene is one of several variables that affect body size in dogs.Based on this information, one can say that this gene

A) displays heterosis.
B) is a quantitative trait locus.
C) is a pleiotropic gene.
D) is a quantitative trait locus and displays heterosis.
E) is a quantitative trait locus and is pleiotropic.