Question

Pure-bred tall pea plants are first crossed with pure-bred dwarf pea plants. The pea plants obtained in F₁generation are then cross-bred to produce F₂ generation of pea plants.
(a) What do the plants of F₁ generation look like?
(b) What is the ratio of tall plants to dwarf plants in F₂ generation?
(c) Which type of plants were missing in F₁ generation but reappeared in F₂ generation?

 

Answer 1

(a) All plants in F₁ generation will be tall.
(b) In F₂ generation, the ratio of tall plants to dwarf plants will be 3:1.
(c) Dwarf pea plants were missing in F₁ generation, but reappeared in F₂ generation.