Question

A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants were selfed the resulting genotypes were in the ratio of -

Answer 1

Answer:

Parents ⇒         TT    ×    tt

gametes ⇒        T     ×     t

F₁ ⇒                         Tt

self fert..⇒          Tt    ×    Tt

gametes ⇒      T    t   ×   T   t

F₂ ⇒   TT    Tt   Tt   tt

Genotypic ratio = 1:2:1

phenotypic ratio = 3:1