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Unformatted text preview: one copy of the gene is a carrier, which means that she does not have the disease, but she can transmit it to her male children. If a carrier has children by a man who is diseasefree, each son has probability 0.5 of having the disease, and each daughter has probability 0.5 of being a carrier. Outcomes are independent. a. A woman who is a carrier has two sons. The father is diseasefree. What is the probability that neither of the sons has the disease? b. A woman whose mother was a carrier has probability 0.5 of being a carrier. If this woman has a son by a man who is diseasefree, what is the probability that the son has the disease? c. Refer to part (b). If the son does not have the disease, what is the probability that the woman is a carrier? 3. Section 2.3: 29 (2nd ed.) or Section 2.3: 19 (1st ed.)...
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This note was uploaded on 09/21/2009 for the course MATH 352 taught by Professor Zaliapin during the Fall '09 term at Nevada.
 Fall '09
 Zaliapin
 Math

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