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.

Question

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

(1 point)
Responses

all pink.
all pink.

pink and white.
pink and white.

all white.
all white.

red and pink.

Answer 1

In the case of incomplete dominance, when a plant with genotype RR (red flowers) is crossed with a plant with genotype WW (white flowers), the heterozygous offspring (RW) will express an intermediate phenotype.

In this specific example, all the offspring of the RR x WW cross will have the genotype RW, which results in pink flowers.

Therefore, the correct response is:

all pink.