A breeder of cattle has a herd of white cows and a roan bull. Hair color in this breed is controlled by an incompletely dominant gene. The two homozygous forms are either red or white, and the heterozygous is roan.
(a) What color of calves are expected and in what proportions?
(b) Outline a procedure to develop an all-red herd.

Question

A breeder of cattle has a herd of white cows and a roan bull. Hair color in this breed is controlled by an incompletely dominant gene. The two homozygous forms are either red or white, and the heterozygous is roan. 
 (a) What color of calves are expected and in what proportions? 
 (b) Outline a procedure to develop an all-red herd.

Quizplus · Accepted Answer

The Answer of A breeder of cattle has a herd of white cows and a roan bull. Hair color in this breed is controlled by an incompletely dominant gene. The two homozygous forms are either red or white, and the heterozygous is roan. 
 (a) What color of calves are expected and in what proportions? 
 (b) Outline a procedure to develop an all-red herd.

A Breeder of Cattle Has a Herd of White Cows