1Following a monohybrid cross of 2 F1 offspring what are the

1.Following a monohybrid cross of 2 F1 offspring, what are the possible genotypes in the  F2 offspring? (Using \"A\" to represent the dominant allele and \"a\" to represent the recessive allele)

2.Following a monohybrid P cross of two contrasting true breeders, what are the possible genotypes in the  F1 offspring? (Using \"A\" to represent the dominant allele and \"a\" to represent the recessive allele)

Solution

Ques-1.Following a monohybrid cross of 2 F1 offspring, what are the possible genotypes in the  F2 offspring? (Using \"A\" to represent the dominant allele and \"a\" to represent the recessive allele)

Answer:

Monohybrid cross ---> AA    X aa (both parents are homozygous for a trait)

                              A          A         a         a

                         Aa             Aa       aA        aA   (F1 generation)

Now, a monohybrid cross of 2 F1 offspring,

Aa              x           Aa (parents)

A         a              A           a (gametes)

AA         aA         Aa        aa     -----> the possible genotypes in the  F2 offspring