Your mother has albinism, which is a recessive trait. Your father has cystic fibrosis, which is also a recessive trait. You just got married and discover that your new father-in-law has albinism and cystic fibrosis. What are the odds that your first child will have neither albinism nor cystic fibrosis

Question

Biology

Bruce Orr

30 March, 06:30

Your mother has albinism, which is a recessive trait. Your father has cystic fibrosis, which is also a recessive trait. You just got married and discover that your new father-in-law has albinism and cystic fibrosis. What are the odds that your first child will have neither albinism nor cystic fibrosis

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Lewis Ali · Answer 1

My first child:

-Albinism probabilities: 1/2 x 1/2: 1/4

-Cystic fibrosis probabilities: 1/2 x 1/2: 1/4

The odds of being healthy for both diseases: 1/4 + 1/4: 1/2