What disease was studied in a famous pedigree analysis that included thousands of people?

a. Alzheimer’s disease
b. Huntington’s disease
c. cystic fibrosis
d. sickle-cell anemia
e. Turner’s syndrome


ANSWER: b

Biology & Microbiology

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There are no long-term data to support the idea that the community structure of aquatic species has changed due to climate change

Indicate whether the statement is true or false

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Which of the following is not one of the diagnostic criteria for ASDs?

A) impairments in social behavior B) impairments in communication C) aggressive behaviors D) repetitive behaviors

Biology & Microbiology

The methanogenic archaeans are ____.

A. aerobes B. facultative anaerobes C. strict aerobes D. facultative anaerobes E. strict anaerobes

Biology & Microbiology

You examine the fossilized remains of the winged animal. Impressions in the surrounding rock suggest that the wings may have been covered with tiny hairs, which suggests that the animal is likely to have been a mammal. When you examine the remains of the

wings, which of the following observations would be most surprising? A) Several of the digits ("finger" bones) are extremely long, and look as if they supported a thin membrane. B) The animal appears to have five digits in each forelimb. C) The animal appears to have two upper arm bones. D) The animal's wings appear to be much larger than those of any known bat.

Biology & Microbiology