The gene most responsible for differences in size among different breeds of dogs is the _______ gene.
A) myostatin
B) phosphofructokinase
C) insulin-like growth factor
D) tyrosine growth factor
E) giant

Question

Quizplus · Accepted Answer

The insulin-like growth factor (IGF) gene is known to play a significant role in determining the size of different dog breeds. Variations in this gene have been linked to the wide range of sizes observed in domestic dogs.

The Gene Most Responsible for Differences in Size Among Different