Question

What will be genotypic ratio in F2 generation. Of a monohybrid out cross

Answer 1

• Monohybrid outcross is the cross between unrelated individuals of same species that involves only one character.
• It involves the cross between F1 progeny and homozygous dominant parent.
• For example, in pea plants, the cross between F1 generation (Tt) and homozygous dominant parent (TT) represents outcross.
• This can be depicted as:
  Parents Tt x TT
  Gametes T , t T , T
  F2 TT, TT, Tt, Tt

• Genotypic ratio: 1 : 1