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. Each of us has an ABO blood ytpe, which describes whether two characteristics called A and B are present. Each human being has two blood type alleles (gene forms), one inherited from our mother and one from our father. Each of these alleles can be A, B, or O. Which two we inherit determines our blood type. Here is a table that shows what our blood type is for each combination of two alleles. Alleles Inherited Blood Type A and A A A and B AB A and O A B and B B B and O B O and O O We inherit each of a parent’s two alleles with probability .5. We inherit independely from our mother and father. Elise has alleles A and B. John has alleles A and B. They have three children. What is the probability that all of their children will have the same blood type? Round to five decimal places

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Unformatted text preview: if necessary. (Remember to express your answer as a proportion.) 3. The proportion of the American population that has O-negative blood is p=.02. If 70 people appear at random to give blood, what is the probability that at least 1 of them have O-negative blood (rounded to four decimal places)? (Remember to express your answer as a proportion.) 4. The proportion of the American population that has O-negative blood is p=.16. If 12 people appear at random to give blood, what is the probability that at least 2 of them have O-negative blood (rounded to four decimal places)? (Remember to express your answer as a proportion.)...
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