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2 votes
Within hours after conception, the 23 pairs of chromosomes within the zygote _____, forming two complete sets of the genome.

1 Answer

3 votes
Duplicate and Division because the zygote begin duplicate and divide move to opposite side of the zygote cell splits two, both contain original genetic code continue to divide, by the time baby born the zygote has become about 5 trillion cells.
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User Giladbi
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