Mating a true-breeding pink rose plant with a true-breeding pink rose plant will produce:
A) plants with pink, red, and white roses.
B) only plants with pink roses.
C) plants with red or white roses in a 3:1 ratio.
D) plants with white or red roses in a 3:1 ratio.
E) None of these.

Question

Quizplus · Accepted Answer

True-breeding plants are homozygous, so mating two true-breeding pink rose plants will produce offspring that are also homozygous for the pink trait, resulting in only pink roses.

Mating a True-Breeding Pink Rose Plant with a True-Breeding Pink