Your friends Ben and Jane are contemplating having children and seek your genetic counsel. Ben and Jane are unrelated, but both have younger brothers with the same, extremely rare genetic trait. (In fact, Ben and Jane met at a support group meeting for children and families of children with this rare disorder.) Ben’s parents and Jane’s parents are all unaffected.          

Assume that the trait is autosomal recessive with complete penetrance. What is the probability that Ben and Jane’s first child will be affected with the trait? If not affected, what is the probability that the child is a carrier?

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#Question id: 28600

#Unit 2. Cellular Organization

Which of the following conditions is allowing substrates to access the active site of the CDK?

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#Question id: 857

#Unit 1. Molecules and their Interaction Relevant to Biology

The aggregation of nonpolar side chains in the interior of a protein is favored by

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#Question id: 27387

#Unit 1. Molecules and their Interaction Relevant to Biology

Electron affinity depends on

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#Question id: 11976

#Unit 7. System Physiology – Animal

Why is it important to feed newborn infants every few hours?

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#Question id: 5021

#Unit 11. Evolution and Behavior

Most dinosaurs and pterosaurs become extinct at the close of the __________ era.