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Chapter 103 -- Part 3: The Human Genome
If this were not the case, females would have more X chromosomes product than males.
The Barr body can be seen under a microscope as a spot on the X chromosomes.
The X chromosomes that are random are in any one cell.
In the three trillion cells that make up the human body, half of them have one active X chromosomes and the other half have an inactive X chromosomes.
The 5' end is marked by OH and the 3' end by phosphate.
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