What is the chance that the son inherited the disorder

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Hungtington disorder is a progressive degeneration of the nervous system that begins at middle age and results in an early death. It is caused by a single autosomal gene mutation that acts in a dominant fashion. a/ a 40 year old man was just diagnosed with Huntington disorder. What could his genotypes be? b/ His wife went for genetic screening for the Huntington allele and learned that she did not have it. What is her genotype? c/ Assume it was determined through genetic screening that the husband only had one copy of the Huntington allele. What must his genotype be? d/ Draw a Punnett square to determine their children. e/ Circle the genotypes of the children who have the HUntington allele. f/ This couple has a 12 year old son. What is the chance that he inderited the disorder? g/ Now assume it was determined through genetic screening that the husband had two copies of the Huntington allele. What must his genotype be? h/ Draw a Punnett square to determine their children. i/ Now what is the chance that the son inherited the disorder?

Reference no: EM13141294

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