Multiple Choice
A strain of mice engineered with a third copy of a critical chromosome 21 region produced ______.
A) less of two proteins that support neural survival
B) toxins that caused a buildup of neurofibrillary tangles
C) an abnormally high amount of dihydrotestosterone
D) symptoms that mimicked Korsakoff's syndrome
Correct Answer:

Verified
Correct Answer:
Verified
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