What would be the ratio of chromosome number between an egg and its zygote? how is the sperm genetically different from the egg.
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The ratio is 1:2. Sperms contain either x or Y chromosome Where's and egg will always have an X chromosome.
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The ratio of chromosome number between an egg and its zygote is 1:2, because the zygote matures into embryo with halving of the number of chromosomes.
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