The roan coat colour in shorthorn cattle is the result of codominance of the coat colour alleles. A roan shorthorn mated with a white shorthorn. What is the probability that the offspring will be white shorthorn? AnswerRecord the answer as a value between 0 and 1, with two significant digits.

 

 

In cattle, a polled or hornless trait (P) is dominant over a horned trait(p). A polled bull mated with three different cows, and the following calves were born in the spring.  Cow Phenotype  F1 Generation Phenotype  Cow 1 - Horned  Calf 1 - Horned  Cow 2 - Polled  Calf 2 - Horned  Cow 3 - Polled  Calf 3 - Polled  Which of the following rows correctly identifies the genotypes of the cattle?

Select one:

Cow 2 - pp  Calf 1 - Pp 

Cow 1 - pp  Bull - PP 

Cow 3 - Pp  Calf 3 - pp 

Bull - Pp  Calf 2 - pp