How can it be determined if an apparently normal dog is carrying a gene for deafness?...

How can it be determined if an apparently normal dog is carrying a gene for deafness?

Phenylketonuria (PKU) is a defect of amino acid metabolism inherited as an autosomal recessive trait. Untreated children are usually severely mentally retarded. If two phenotypically normal parents have a PKU child, what are the genotypes and phenotypes of their children and in what portions?

Cystic fibrosis, inherited as an autosomal recessive trait, involves a defect of glycoprotein metabolism. Phenotypically normal parents had two children, one normal, one with cystic fibrosis. Write the probable genotypes for the parents

In man, hemophilia (failure of the blood to clot normally) is inherited as an X-Linked recessive trait. A woman has one hemophiliac son. Write the genotypes for the women, her son, her normal husband, and other children the women might have.

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Sydney Mullin answered 11 months ago

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