Essay
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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