Cystic fibrosis is a disorder which shows recessive autosomal inheritance. An unaffected couple has a child who has symptoms of cystic fibrosis. What is the probability that their next child will be healthy?

Name: cystic fibrosis is a disorder which shows recessive autosomal inheritance an unaffected couple has a child who has symptoms of cystic fibrosis what is the probability that their next child w 17863
Uploaded: 2023-07-27T10:52:04-08:00
Duration: 2 min 46 s
Channel: Sri K
Description: cystic fibrosis is a disorder which shows recessive autosomal inheritance an unaffected couple has a child who has symptoms of cystic fibrosis what is the probability that their next child w 17863

          Cystic fibrosis is a disorder which shows recessive autosomal inheritance. An unaffected couple has a child who has symptoms of cystic fibrosis. What is the probability that their next child will be healthy?

Added by Patricia F.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

Instant Answer

Solved by Expert Sri K

07/27/2023

Step 1

Since they are unaffected, they must both be carriers of the cystic fibrosis gene. This means they each have one normal allele (denoted as "A") and one cystic fibrosis allele (denoted as "a"). Their genotypes would be Aa. Show more…

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Cystic fibrosis is a disorder which shows recessive autosomal inheritance. An unaffected couple has a child who has symptoms of cystic fibrosis. What is the probability that their next child will be healthy?