Cystic fibrosis results from mutations in a single gene that lies on Chromosome 7.Only homozygous mutant (ff) individuals are sick; homozygous wild-type (FF) and heterozygous (Ff) individuals are healthy.A healthy married couple has one child with cystic fibrosis and the wife is pregnant with a second child.
A.What is the genotype of the mother? The father?
B.What is the chance that the second child will have cystic fibrosis?

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The Answer of Cystic fibrosis results from mutations in a single gene that lies on Chromosome 7.Only homozygous mutant (ff) individuals are sick; homozygous wild-type (FF) and heterozygous (Ff) individuals are healthy.A healthy married couple has one child with cystic fibrosis and the wife is pregnant with a second child.
A.What is the genotype of the mother? The father?
B.What is the chance that the second child will have cystic fibrosis?

Cystic Fibrosis Results from Mutations in a Single Gene That