1) a man doesn't carry the cystic fibrosis gene. he marries a women who is a carrier of cystic fibrosis. what is the chance they will have a child with cystic fibrosis? a) 0% b) 25% c) 50% d) 100% 2) furless cats express a recessive allele. What would be a suitable symbol for these alleles? a) Aa b) ss c) Ff d) ff 3) a man has brown eyes with a phenotype of Bb. He marries a woman with blue eyes. what is the chance he will have children with brown eyes? a) 0% b) 25% c) 50% d) 100% 4) which of the following is a genetic disease casued by have three of chromosome 21? a) chromes disease b) downs syndrome c) blindness d) cystic fibrosis

inheritance punnet squares quiz

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