Question

A true breeding pea plant homozygous for axial violet flowers is crossed with another pea plant with terminal white flowers:

1. What would be the phenotype and genotype of F₁ and F₂ generations?
2. Give the phenotypic ratio of F₂ generations.
3. List the Mendel’s generalisations that can be derived from the above cross.

Answer 1

1. Phenotype: F₁ - axial violet (Aa Vv); F₂ - axial violet, axial white, terminal violet, terminal white.
2. 9: 3 : 3 : 1
3. Independent assortment.