rolo7219 rolo7219

20-03-2018
Biology

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How many chromosomes does a human zygote have and where did these chromosomes come from originally?

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aizisohail aizisohail

20-03-2018

46 chromosomes. 23 pairs. 23 chromosomes come from the egg (from the mother) and 23 come from the sperm (from the father). Haploid (containing one set of chromosomes) sperm and egg fuse to form a diploid (containing two sets of chromosomes, one from each parent) zygote.

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