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11-03-2017
Biology

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What type of error in meiosis causes Down syndrome

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Аноним Аноним

11-03-2017

when one parent either egg or sperm has a copy of the 23rd chromosome

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Аноним Аноним

11-03-2017

Three types of chromosome 21.It can result from the translocation of a large segment of a third chromosome 21 into another chromosome.

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