Question

When a red flowerd Antirrhinum plant was crossed with a white flowered Antirrhinum plant, the F₁ - offspring had pink flowers. Mention the following. (a) the genotype of F₁ plant, and (b) the reason why it did not bear the parental red or white flower colours?

Answer 1

Because antirrhinum plant shows incomplete dominance which results in pink colour. (a)all are pink in colour.

(b)RR * rr ->Rr, so no red or white colour but gives intermediate.