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Biology, 22.11.2019 23:31 marialandingin7520

Ayoung man knows that his grandfather had huntington disease (genotype hh). however, his father passed away at the age of 26 without ever being tested or showing signs of hd. his mother did not have huntington disease. what is the probability that this young man will develop hd when he is older?
a. 1/4
b. 1/2
c. 0
d. 1

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