kxng1344 kxng1344

08-04-2018
Biology

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When a child is born with down syndrome, when did the mutation occur?

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bumblebre15 bumblebre15

08-04-2018

It occurred during meiosis.

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08-04-2018

It occurred doing meiosis, as when the gametes were combining a third chromosome was added to the 21st pair and caused Trisomy 21 Sydnrome, or as we know it, Down’s Syndrome.

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