1. The common grandmother of two first cousins has the rare autosomal recessive genetic disorder called spinal muscular

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1 The Common Grandmother Of Two First Cousins Has The Rare Autosomal Recessive Genetic Disorder Called Spinal Muscular 1 (38.86 KiB) Viewed 125 times

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answers.
1. The common grandmother of two first cousins has the rare autosomal recessive genetic disorder called spinal muscular atrophy (SMA). Neither cousins have the disease. If the first cousins had a child, what is the probability that the child will have SMA? Assume that the unrelated, unaffected parents of the cousins are not carriers a. Draw out the pedigree (10 points). Indicate if an individual is affected, if known (2 points). Indicate genotypes, if known (2 points). Include the generation numbers and individual numbers (1 points).
b. What is the probability that the child of the first cousins will have SMA? Show your work to receive full credit (In other words, you cannot just give an answer. You must show your work or explain how you got to that answer) (10 points).