Importance or significance of meiosis

Importance or significance of meiosis

  1. Sexual reproduction: Meiosis results in half the number of chromosomes, during fertilization the nuclei of the two gametes fuse to form a zygote restore the diploid number of chromosomes for its species.
  2. Genetic variation: Meiosis provided opportunities for new recombination of genes to occur in the gametes and off springs in two ways
  • Crossing over
  • Independent assortment i.e., random distribution of chromosomes into the gametes at metaphase 1
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