Biology, 03.08.2019 11:30 ComicSans10

Downs syndrome occurs when an individual ends up with 3 copies of the 21st chromosome (trisomy 21). in what phase of meiosis could the mistake have occurred (there are two possibilities)? draw the nondisjunction event occurring.

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Downs syndrome occurs when an individual ends up with 3 copies of the 21st chromosome (trisomy 21)....

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