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Question

Match the syndromes and chromosomal abnormalities given in columns.
  List I - Syndrome List II - Chromosomal abnormalities
 A Klinefelter syndrome p Trisomy 13
 B Turner's syndrome q Trisomy 18
 C Super female r 44+XXY
 D Patau's syndrome s 44+XXX
   t 44+XO


A
A- r, B- t, C- s, D- p
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B
A- p, B- r, C- q, D- t
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C
A- q, B- p,C- t, D- s
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D
A- s, B- r, C- t, D- p
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Solution

The correct option is A A- r, B- t, C- s, D- p

Klinefelter syndrome is the presence of one or more extra chromosomes in a male (44+XXY). Turner's syndrome is the absence of one X-chromosome from female (44+XO). Super female is characterized by the presence of extra one X-chromosome in female (44+XXX). Patau's syndrome is trisomy 13; characterized by the presence of three copies of chromosome 13 instead of the usual two. Hence, the correct answer is option A.

Biology

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