In females,one X chromosome out of the two becomes a Barr body.

Name: In females,one X chromosome out of the two becomes a Barr body.
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This is true. Early in embryonic development, one of the X chromosomes in females is randomly inactivated and becomes a dense, compact structure called a Barr body. The inactivated X chromosome remains condensed and silenced throughout the life of the cell and is passed on to any daughter cells during cell division.

In Females,one X Chromosome Out of the Two Becomes a Barr