Question

In a cross between plants with pink flowers and plants with white flowers the offsprings of F₁ generation all had pink flowers. When the F₁ generation was self-crossed, it was observed in the F₂ generation that out of 100, 75 flowers were pink. Make a cross and answer the following:
(a) What are the genotypes of the F₁ progeny?
(b) What is the ratio of Pink: White flowers in the F₂ generation?

Answer 1

Phenotypic ratio Pink    Pink     :    White

                                                3          :      1