Independent Events Pr(J and K) = Pr(J) Pr(K) Frequency of TH01 15,16 in Caucasians = 1/8 Frequency of vWA 16,17 in Caucasians = 1/9 Frequency of people that are 15,16 at TH01 and 16,17 at vWA is (1/8) (1/9) = 1/72
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