Article
Genes that escape X-inactivation in humans have high intraspecific variability in expression, are associated with mental impairment but are not slow evolving.
Molecular biology and evolution - 1 Dec 2013
Zhang Yuchao, Castillo-Morales Atahualpa, Jiang Min, Zhu Yufei, Hu Landian, Urrutia Araxi O, Kong Xiangyin, Hurst Laurence D
Abstract excerpt
In female mammals most X-linked genes are subject to X-inactivation. However, in humans some X-linked genes escape silencing, these escapees being candidates for the phenotypic aberrations seen in polyX karyotypes. These escape genes have been reported to be under stronger purifying selection than other X-linked genes. Although it is known that escape from X-inactivation is much more common in humans than in...
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