A) Downs syndrome
B) Turners syndrome
C) Klinefelters syndrome
D) Okazaki syndrome
Correct Answer: C
Solution :
Klinefelters syndrome was described by Dr H.F Klinefelter in 1942. It is due to an extra X Chromosome instead of normal XY i.e., XI In other words it is a case of trisomy of i chromosomes or allosomes in males. Downs syndrome is due to trisomy of 21 chromosome (autosomes). Turners syndrome develops due to missing X chromosome i.e., XO. So, it is a case monosomy. Affected person has 45 chromosomes instead of 46.You need to login to perform this action.
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