MHT CET Biology question
A person who is trisomic for twenty first pair of chromosomes is [BHU 1990, CPMT 1993, DPMT 2000, MP PMT 1993, WB-JEE 1993, WB-JEE 2008]
Answer: (B)
Solution
Trisomy of chromosome 21 causes Down's syndrome; Klinefelter's is XXY and Turner's is XO. Hence the correct option is (b).