Neurofibromatosis is a condition in humans which is generally inherited in a dominant fashion. Assuming this disorder is 90% penetrant, what is the chance that a single child born to a father with neurofibromatosis and a mother known not to carry the mutation will have the disorder?

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#Question id: 34155

#Unit 7. System Physiology – Animal

Norepinephrine is formed by: 

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#Question id: 5007

#Unit 11. Evolution and Behavior

Select the factor most likely to have caused the animals and plants of India to differ greatly from species in nearby Southeast Asia.

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#Question id: 28750

#Unit 2. Cellular Organization

Conversion of fats to sugars is accomplished by a series of reactions known as the____

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#Question id: 15384

#Unit 8. Inheritance Biology

A trait that appears to be dominant in one sex but recessive in the other is called:

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#Question id: 4656

#Unit 11. Evolution and Behavior

Logically, which of these should cast the most doubt on the relationships depicted by an evolutionary tree?