How many heterozygous genotypes are possible

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Consider a discontinuous trait relating to the management of cholesterol in humans. Assume the trait is controlled by just 2 unlinked genes. For the cholesterol receptor gene 9 different alleles exist. For the cholesterol processing enzyme 5 distinct alleles exist. How many homozygous genotypes are possible? How many Heterozygous genotypes are possible?

Reference no: EM13148933

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