A true-breeding black rabbit is crossed with a true-breeding white rabbit to produce an F₁ generation of 15 individuals. If the black color trait is dominant, which of the following represents the expected phenotype of an F₁ generation cross? A)15 black rabbits, 0 white rabbits, 0 grey rabbits B)5 black rabbits, 5 white rabbits, 6 grey rabbits C)0 black rabbits, 0 white rabbits, 15 grey rabbits D)5 black rabbits, 3 white rabbits, 7 grey rabbits E)0 black rabbits, 15 white rabbits, 0 grey rabbits

Question

Quizplus · Accepted Answer

Since black is the dominant trait and both parents are true-breeding (homozygous) for their respective colors, all offspring in the F1 generation would express the dominant black phenotype.

A True-Breeding Black Rabbit Is Crossed with a True-Breeding White