Question

Consider that a plant with genotype RR has red flowers and a plant with genotype WW has white flowers. This plant species expresses incomplete dominance for flower color when the plant is heterozygous.

The offspring of a cross between an RR plant and a WW plant would be

(1 point)
Responses

pink and white.
pink and white.

red and pink.
red and pink.

all pink.
all pink.

all white.

1 answer

In incomplete dominance, when a plant with the genotype RR (red flowers) is crossed with a plant with the genotype WW (white flowers), the offspring (F1 generation) will be heterozygous (RW) and will express a blend of the two parental traits. In this case, the heterozygous plants would have pink flowers.

Therefore, the correct answer is:

all pink.