Huntington\'s disease is an inherited autosomal dominant disorder that can affec
ID: 94373 • Letter: H
Question
Huntington's disease is an inherited autosomal dominant disorder that can affect both men and women. Imagine a couple has had seven children, and later in life, the husband develops Huntington's disease. He is tested and it is discovered he is heterozygous for the disease allele, Hh. The wife is also genetically tested for the Huntington's disease allele, and her test results show she is unaffected, hh.
1. What is the percent probability that the first child of this couple will have Huntington's disease?
_______%
2. What is the probability that any three of the seven children will have Huntington's disease?
_______%
Explanation / Answer
Answer:
Based on the given information:
So chance of getting Huntington disease is 2/4 or 1/2 = 0.5 per birth
1) What is the percent probability that the first child of this couple will have Huntington's disease?
2) What is the probability that any three of the seven children will have Huntington's disease?
h h H Hh - disease Hh - disease h hh - unaffected hh - unaffectedRelated Questions
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