If an RR flower is red, an Rr flower is pink, and an rr flower is white, what percentage of the offspring from a cross between an RR individual and an Rr individual will be red?
A) 10%
B) 25%
C) 50%
D) 75%

Question

Quizplus · Accepted Answer

When an RR individual (homozygous for the dominant trait) is crossed with an Rr individual (heterozygous for the dominant trait), all offspring will have at least one R allele, making them either RR or Rr. Therefore, 100% of the offspring will have a red allele. Half of the offspring will be RR and half will be Rr. Since both RR and Rr produce red flowers, then 50% of the offspring will be red.

If an RR Flower Is Red, an Rr Flower Is