Why is it necessary to have some cells that have only 1/2 of the chromosomes as other cells?

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asked Jan 7, 2012 in Biology by anonymous

1 Answer

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Thats because these cells are involved in sexual reproduction.  They are known as gametes (sex cells).  This is because when gametes combine to form a zygote the number of chromosomes doubles and results in the normal number of chromosomes.
answered Jan 7, 2012 by pokemonmaster ~Expert~ (3,854 points)

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