Marnervangela Marnervangela
  • 04-02-2017
  • Biology
contestada

A child has a sickle-cell disease but neither parent is ill. what must be true of her parents genotypes

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daysia324
daysia324 daysia324
  • 04-02-2017
There is a recessive gene that skips a generation.
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christinann062
christinann062 christinann062
  • 04-02-2017
They both have the recessive gene for sickle-cell disease
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