Write two points of differences between asexual


Write two points of differences between asexual and sexual types of reproduction. Describe why variations are observed in the offspring formed by sexual reproduction.


(a) Differences between Asexual and Sexual Reproduction

(b) Development of Variation in Sexual Reproduction:
Sexual reproduction produces a number of variations in the population due to


  1. Chance separation of chromosomes at the time of meiosis.
  2. Crossing over during meiosis.
  3. Chance combination of chromosomes during fertilization. It produces a unique combination of variations already accumulated by each individual in its DNA obtained from its parents,
  4. Mutations or defective DNA replication.

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