AIPMT PRELIMS2008Botany-Genetics
AIPMT PRELIMS 2008 Botany Chromosomal Disorders MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage?
A
Erythroblastosis foetalis — X⁻linked
B
Down syndrome — 44 autosomes + XO
C
Klinefelter's syndrome — 44 autosomes + XXY
D
Colour-blindness — Y⁻linked
Correct Answer
Option C
Detailed Explanation
Klinefelter's syndrome is caused by the presence of an extra X chromosome in males, resulting in the XXY condition.
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