A) reduction in X complement
B) increase in X complement
C) moderate increase in Y complement
D) large increase in Y complement
Correct Answer: B
Solution :Klmefelter's syndrome is formed by union of an XX egg and a normal Y sperm or normal X egg and abnormal XY sperm. The individual thus has 47 chromosomes (44 + XXY). Such persons are sterile males with undeveloped testes, mental retardation etc.
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