Question

The presence of horns in cattle is controlled by a single gene. The hornless (H) condition is dominant over the horned (h) condition. A hornless cow was crossed repeatedly with the same horned bull. The following results were obtained with the F1 offspring: 8 hornless, 7 horned. What are the parents’ genotypes? 

Answer 1

Parents’ genotypes are;

Parent 1=PP

Parent 2 =pp