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. 2011 Jan 12;107(2):95–102. doi: 10.1038/hdy.2010.170

Table 3. Numbers of species pairs tested since 1996 in which explanatory theories for Haldane's Rule have been explicitly invoked.

  Dominance Faster male Faster heterogametic sex Faster X (or Z) X–Y (or W–Z) interactions X (or Z)-autosome interactions
Male heterogametic 12 7 1 6 2 4
Female heterogametic 70 0 34 1 0 1