NEET BiologyClass 12Chromosomal DisordersHardMatch the following
Match the condition in Column I with its correct karyotype/chromosomal basis in Column II, then choose the option in which all four matches are correct.
Column I
Column II
P. Down syndrome
1. 47, XXY (an extra X chromosome in a male)
Q. Klinefelter syndrome
2. 45, X0 (a single X chromosome, no second sex chromosome)
R. Turner syndrome
3. Trisomy 21 — 47 chromosomes, an extra copy of chromosome 21
S. Normal human female karyotype
4. 46, XX
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