Biotechnology And Its Applications Question 31
The number of chromosomes in Klinefelter’s syndrome is [CPMT 1995; MP PMT 2003; DPMT 2004]
Options:
A) 47 (44 + XY)
B) 47 (44 + XXX)
C) 47 (46 + 1 copy of chromosome 21)
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
Philadelphia chromosome is a derivative of the 22nd chromosome.
It is so called because in 1960 an investigation in Philadelphia found that patients with chronic myeloid leukaemia have an abnormal chromosome later found to be the 22nd.
BETA
