IN YOUR OWN WORDS, what is the definition for Down Syndrome?

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IN YOUR OWN WORDS, what is the definition for Down Syndrome?

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Thu Cúc 4 years 2021-07-17T07:09:22+00:00 1 Answers 5 views 0

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  1. huyenthanh
    0
    2021-07-17T07:11:05+00:00
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    Answer:

    A common birth defect that is usually due to an extra chromosome 21( trisomy 21) .

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