Why is it essential that the human gametes (sperm and egg cell) have a difference in the chromosome no. as compared to any other cell found in the human body.
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So that when they fertilize together they form the original number of chromosomes of a normal cell.
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Answer:When the sperm and egg cells unite at conception, each contributes 23 chromosomes so the resulting embryo will have the usual 46. Meiosis also allows genetic variation through a process of DNA shuffling while the cells are dividing.
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