Determination of the genotypes

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Ataxia in humans is conditioned by the recessive autosomal (a t) allele, normal coordination by (a t +). A normal woman has children with an ataxic man. Their first child is ataxic.

a. What are the genotypes of:
Woman?
Man?
Child?

b. What is the probability that their next child would be an ataxic?

c. Two normally coordinated individuals have an ataxic child. Propose 2 explanations.

 

Reference no: EM1395593

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