The number of chromosomes in parents and offsprings

Reproduction (10)

The number of chromosomes in parents and offsprings of a particular species undergoing sexual reproduction remain constant due to :

  1. doubling of chromosomes after zygote formation.
  2. halving of chromosomes after zygote formation.
  3. doubling of chromosomes before gamete formation.
  4. halving of chromosomes at the time of gamete formation.

Answer

(D) halving of chromosomes at the time of gamete formation.

  • Exam Year: 2023