Commercial chicken breeders will cross two different breeds of chickens (e.g. ,White Rocks and White Cornish)to create a fast growing chicken that is larger than either of the parental breeds.This result is best explained by the phenomenon of
A) true breeding.
B) incomplete dominance.
C) hybrid vigor.
D) expressivity.
E) blending inheritance.

Question

Quizplus · Accepted Answer

The result of crossing two different breeds of chickens to create a larger, fast growing chicken is best explained by hybrid vigor or heterosis. This is the phenomenon where the offspring of two genetically diverse parents have qualities that are superior to either parent.

Commercial Chicken Breeders Will Cross Two Different Breeds of Chickens