Biology
Grade-8
Easy

Question

How many offspring in the above cross are heterozygous?

  1. 1
  2. 2
  3. 3
  4. 4

hintHint:

When both the alleles of a gene are different it is called as heterozygous.

The correct answer is: 2


    • The green pod is considered as dominant with GG  or Gg as genotype.
    • The yellow pod is recessive with gg as its genotype.
    • The F1 generation has genotype of Gg which is heterozygous.
    • The F2 generation is produced by self cross of Gg, which is represented as follows:
    • Gametes G g
      G GG Gg
      g Gg gg
      The heterozygous green pod is represented by Gg which is present in 2 offspring.