Two parents are carriers of the sickle cell allele. What percentage of their children would you expect to be affected by sickle cell disease, and what percentage would have two normal alleles (completely unaffected)?

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75% with SCD and 25% unaffected.

  

50% with SCD and 50% unaffected

  

25% with SCD, 25% unaffected.

  

25% with SCD and 75% unaffected

 

asked May 16, 2013 in Genetics by GeneX ~Top Expert~ (7,947 points)
    

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25% with SCD, 25% unaffected.

answered May 16, 2013 by GeneX ~Top Expert~ (7,947 points)

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