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Name ________________________ pd _____________ Lactose is a sugar found in milk.

Name ________________________ pd _____________ Lactose is a sugar found in milk. The recessive allele cause lactose intolerance The dominant allele for the digestion of lactose = E The recessive allele for lactose intolerance = e

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Name ________________________ pd _____________ Lactose is a sugar found in milk.

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  1. Name ________________________ pd _____________ • Lactose is a sugar found in milk. • The recessive allele cause lactose intolerance • The dominant allele for the digestion of lactose = E • The recessive allele for lactose intolerance = e • A man who is heterozygous for lactose digestion has children with a woman who has lactose intolerance. • 1) Complete the Punnett Square below to show the predicted outcome of the offspring. (4 pts.) • Genotypes • Dad = ______ • Mom = ______ • What is chance one of their children will have lactose intolerance. (1 pt.) • ____________% • 3) The couple had six children, but only one of the six was lactose intolerance. Explain how it is possible that only one child has lactose intolerance. Use complete sentences to answer. (3 pts.) • Explanation: • ______________________________________________________ • ______________________________________________________ • ______________________________________________________ • ______________________________________________________ • Name ________________________ pd _____________ • Lactose is a sugar found in milk. • The recessive allele cause lactose intolerance • The dominant allele for the digestion of lactose = E • The recessive allele for lactose intolerance = e • A man who is heterozygous for lactose digestion has children with a woman who has lactose intolerance. • 1) Complete the Punnett Square below to show the predicted outcome of the offspring. (4 pts.) • Genotypes • Dad = ______ • Mom = ______ • What is chance one of their children will have lactose intolerance. (1 pt.) • ____________% • 3) The couple had six children, but only one of the six was lactose intolerance. Explain how it is possible that only one child has lactose intolerance. Use complete sentences to answer. (3 pts.) • Explanation: • ______________________________________________________ • ______________________________________________________ • ______________________________________________________ • ______________________________________________________

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