The genes on the inactive X chromosome are not expressed. Remember the changes to chromosomes, the nuclear membrane, spindle fibers, cell membrane, etc. Early in development, when female mammalian embryos consist of just a few thousand cells, one X chromosome in each cell inactivates by condensing into a structure called a Barr body. Use the textbook diagrams to help draw the cell in mitosis. In part, this occurs because of a process called X inactivation. Therefore, it may seem counterintuitive that human females and males can function normally, despite carrying different numbers of the X chromosome. ![]() Place a cover sheet on top with - Mitosis Flip Book by your name
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