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 80% penetrance. What is the probability that Ben and Jane’s first child will be affected?

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#Question id: 31268

#Unit 4. Cell Communication and Cell Signaling

Which of the following not correct regarding the Philadelphia chromosome?

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#Question id: 3960

#Unit 3. Fundamental Processes

When all or a piece of a chromosome becomes attached to another chromosome, the aberration is called a(n):

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#Question id: 1551

#Unit 4. Cell Communication and Cell Signaling

function of CR2

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#Question id: 23073

#Unit 12. Applied Biology

The bioremediation process involving the usage of plants to degrade pollutants is called

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#Question id: 18742

#Unit 13. Methods in Biology

When inserting a DNA fragment, it is possible to have two orientations. If the orientation is controlled, this cloning is referred to as __________