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16 Apr 2018

Homer has a sister with the homozygous recessive disease, cystic fibrosis, caused by the disease allele,
CF –. Homer does not have cystic fibrosis. Neither of their parents have cystic fibrosis. What is the
probability that he does NOT carry the CF – allele (that he is CF+CF+)?

answer is 1/3.

Please WLAK ME THROUGH this problem, thanks

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Jean Keeling
Jean KeelingLv2
18 Apr 2018

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