The X chromosome: not just her brother's keeper

The X chromosome has traditionally been characterized as a conscientious sister to her derelict brother that is the Y. Beyond dutifully maintaining the family heritage, however, the X has developed its own unique identities. Now, the complete sequence of the human X allows us to appreciate its distinctiveness at an unprecedented resolution.

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Vallender, E., Pearson, N. & Lahn, B. The X chromosome: not just her brother's keeper. Nat Genet 37, 343–345 (2005) doi:10.1038/ng0405-343

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