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joseddia Group Title

Down syndrome is caused by nondisjunction of chromosome pair 21. If a person with Down syndrome has a child with a person who does not have Down syndrome, what is the probability that the child will have Down syndrome? Answer 25% 50% 75% 100%

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  1. michu Group Title
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    Answer 25%

    • 2 years ago
  2. joseddia Group Title
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    tank u

    • 2 years ago
  3. michu Group Title
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    Can i have a medal please?

    • 2 years ago
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