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What Is Homosexual Gene? |
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Answer» Women have two X chromosomes, one of which is "switched off". The INACTIVATION of the X chromosome OCCURS randomly throughout the EMBRYO, resulting in CELLS that are mosaic with respect to which chromosome is ACTIVE. Women have two X chromosomes, one of which is "switched off". The inactivation of the X chromosome occurs randomly throughout the embryo, resulting in cells that are mosaic with respect to which chromosome is active. |
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