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health advisory Hospital Doctor Yu 2007-11-8 19:09:04

Answers:

Every human cell has 46 chromosomes. When reproducing, you cannot add all 46, otherwise your 46 plus your partner's 46 would = 92.twice the number of what it should be. SInce this is, during meiosis, the number is reduced from 46 chromosomes(23 pairs of 2) to 23 chromosomes, so you and your partner contribute and your child is normal.

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While the information given above is correct. 0% of embryo's with 92 chromosomes live. it's not viable

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human = 46 chromosomes

46 is the normal

female egg = 23 with sexual chromosomes x

male egg = 23 with 50% of sperm having sexual chromosome y

and 50% of sperm having sexual chromosome x

man determines the sex of the new life

xx = female

xy = male

hope that helps

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