Inactive X chromosomes (IMAGE)

KU Leuven

Inactive X chromosomes

Caption

Most female mammals have two X chromosomes, but only one of these is active in any given cell. In the images above, the yellow arrows point to the inactive X chromosome. DNA is shown in blue. Active marks are shown in magenta and repressive marks in green.

Credit

© KU Leuven -- Irene Talon and Adrian Janiszewski

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