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Sickle-Cell Anemia Is a Recessively Inherited Disease That Causes Red

Question 106

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Sickle-cell anemia is a recessively inherited disease that causes red blood cells to become rigid and deformed.What is the probability that a child will have sickle-cell anemia if the father has the disease and the mother is heterozygous for the disease? What is the probability that a child will be a carrier? Use a Punnett square to show your work and use the letters "A" and "a" to designate dominant and recessive alleles,respectively.

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blured image The child has a 2 in 4,or 50%...

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