ElisaAlvarez1219 ElisaAlvarez1219

26-05-2020
Biology

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6. How many recessive alleles must be inherited to get sickle cell disease?
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alouissaint56 alouissaint56

26-05-2020

Answer: 2 recessive alleles

I will use the letter r as an example.

Rr: sickle cell disease is absent
RR: sickle cell disease is absent
rr: sickle cell disease is present

If sickle cell disease is a recessive trait it will be expressed as rr.

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