Question
Biology Question on Principles of Inheritance and Variation
No. of Bar Body in XXXX female
A
1
B
2
C
3
D
4
Answer
3
Explanation
Solution
In a female with a XXXX chromosome configuration (also known as tetrasomy X), there can be multiple Barr bodies (inactivated X chromosomes). The number of Barr bodies corresponds to the number of extra X chromosomes beyond the normal XX configuration. So, in the case of XXXX female, there would typically be (C): 3 Barr bodies This indicates that three of the four X chromosomes would be inactivated.