Question

In a cross between plants with purple flowers and plants with white flowers the offsprings of F₁ generation all had white flowers. When the F₁ generation was self-crossed, it was observed in the F₂ generation that out of 100, 75 flowers were white. Make a cross and answer the following: 

(i) What are the genotypes of the F₂ progeny ? 

(ii) What is the ratio of 'White : purple, flowers in the F₂ generation ?

Answer 1

(i) Genotypes of F₂ progeny are WW, Ww, ww.

(ii) The ratio of  white:purple flowers in the F₂ generation is 3:1.

Answer 2

(ii) Ratio between White: Purple flowers are:

3:1