Ques. Mental retardation in man, associated with sex chromosomal abnormality is usually due to
A. moderate increase in Y complement
B. large increase in Y complement
C. reduction in X complement
D. increase in X complement.
Answer:D
Ques. Mental retardation in man, associated with sex chromosomal abnormality is usually due to
A. moderate increase in Y complement B. large increase in Y complement C. reduction in X complement D. increase in X complement.