Principle Of Inheritance And Variation Question 417
Question: Barr bodies (seen in saliva test in Olympic games) are found in human and are associated with [BHU 1970, 99, 2002; CBSE PMT 1992; MP PMT 1997, 98; KCET 1998]
Options:
A) Male autosome
B) Female autosome
C) Female sex chromosome
D) Male sex chromosome
Show Answer
Answer:
Correct Answer: C
Solution:
According to the British geneticist Mary Lyon (1961), One of the two X-chromosomes of a normal female becomes heterochromatic and appears as Barr body.
BETA
