The number one inherited cause of mental retardation is
A) Down syndrome.
B) Tay-Sachs disease.
C) fragile X syndrome
D) Turner syndrome.
Correct Answer:
Verified
Q74: Relative to females, males are much more
Q75: Fragile X syndrome is caused by
A) the
Q76: Which of the following is an example
Q77: For females, the chances of inheriting a
Q78: Which of the following is an example
Q80: Trisomy 21 is another name for
A) Huntington's
Q81: Which of the following statements concerning Down
Q82: In about 95% of Down syndrome cases,
Q83: Doctors recommend that pregnant women who are
Q84: With the exception of trisomy 21, having
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