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Get Answers to all your Questions
In a female human cell with one Barr body, how many active X chromosomes are present?
Option: 1
One
Option: 2
Two
Option: 3
Three
Option: 4
None
Answers (1)
In female human cells, one of the two X chromosomes is randomly inactivated, forming a Barr body. Therefore, in a female human cell with one Barr body, one X chromosome is active, and the other X chromosome is inactivated. The active X chromosome is responsible for the expression of X-linked genes in the cell, while the inactivated X chromosome is silenced and condensed into the Barr body.
Option 1 is the correct answer.
View full answer
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