Martin Pollak studies kidney disease in humans. Why does he use human subjects in his research, instead of animal
models?
a. He can perform invasive experiments on humans.
b. He can carry out planned matings in humans.
c. Humans have a long generation time.
d. He can examine renal phenotypes in conjunction with genetic analyses.
e. He can genetically manipulate his patients.
ANSWER: d
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____.
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