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    • Complex evolutionary trajectories of sex chromosomes across bird taxa. 

      An, N; Bachtrog, D; Gilbert, M Thomas P; Huang, Q; Jarvis, Erich David; Zhang, G; Zhang, J; ... (8 authors) (Science, 2014-12-12)
      Sex-specific chromosomes, like the W of most female birds and the Y of male mammals, usually have lost most genes owing to a lack of recombination. We analyze newly available genomes of 17 bird species representing the avian ...