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noitests fi Exercise 2 Incomplete Dominance Background Incomplete dominance is when two different alleles for the same trait combine but neither allele is fully expressed over the other The offspring have a form of intermediate inheritance The heterozygous offspring show a phenotype that is in between the phenotypes of the two homozygous parents The human trait for autosomal recessive familial hypercholesterolemia mutation of LDLRAPI allele not as common as other mutations for high cholesterol is an example of incomplete dominance People with normal cholesterol levels below 200 mg dl are homozygous dominant HH These folks can maintain a normal level of blood cholesterol People who are heterozygous Hh for hypercholesterolemia tend to have blood cholesterol levels that are normal to moderately higher than normal These folks must maintain a low fat diet and exercise to maintain their cholesterol level People who are homozygous recessive hh for cholesterol tend to have a blood cholesterol levels significantly higher than normal and will need cholesterol lowering drugs to maintain healthy cholesterol levels Instructions Create a Punnett square depicting what you believe to be your parents genotypes for hypercholesterolemia in the space below Explain what information you used to determine each of your parents genotypes What are your chances for being at risk for hypercholesterolemia as based on your Punnett square results Explain Fynlain how this information relates to your personal health

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