Question #6423087Single Choice

Biology

Question

In a species of plants, the allele for red flowers (R) is dominant over white flowers (r). If a red-flowered plant with the genotype Rr is crossed with a white-flowered plant (genotype rr), what is the expected genotypic ratio in the offspring?

Options

A
    1 Rr : 1 rr
B
    3 Rr : 1 rr
C
    1 RR : 2 Rr : 1 rr
D
    1 Rr : 1 RR

Answer & Analysis