Question

In cattle, the hornless trait is dominant and the horned trait is recessive. A hornless is mated to three cows. Cow A, which is horned gives birth to a hornless calf. Cow B, horned, produces a horned calf. Cow C, hornless, produces a horned calf. What are the genotypes of the four parents?

Answer 1

Cow A-Hh
Cow B-Hh/HH
cow-c-Hh
The father-Hh