2. 2 4 2 2 4 IV 2 3 Condition B Aan0 Condition A tnedfanni You are investigating

Question

2. 2 4 2 2 4 IV 2 3 Condition B Aan0 Condition A tnedfanni You are investigating the inheritance of two rare conditions (A and B) in an extended family of thoroughbred racehorses. You have constructed the following pedigree for these conditions. Assuming that condition A is autosomal recessive and condition B is X-linked recessive, answer the following questions a. What is the probability that IV-3 will have condition A? b. What is the probability that IV-3 will have condition B? c. What is the probability that IV-3 will have both condition A and B?

Explanation / Answer

a) required probability is 1/6.

b) for condition B it would be 7/12.

c) for both the conditions it would be 5/12.

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