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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Dr. Bbosa Science