Question

A tall pea plant (TT) is cross-bred with a dwarf pea plant (tt).

(i) What is the expected height of the plants of their F1 progeny?

(ii) What will be the percentage of dwarf plants in F2 progeny, when the plants of F1 progeny were self-pollinated?

(iii) State the expected ratio of the genotype of TT and Tt in the F2 progeny.

Answer 1

1. Height is tall as it is dominant over dwarf.

2. 25%

3. 1:2