@MoonNeko_Luna @lecanardnoir @Mr_Utini @BriersJade @WIAW18 Yes. There's a very nice PLOS ONE paper on sex determination in Staurotypus turtles in which the introduction illustrates very nicely why sexes aren't defined by chromosomes. https://t.co/z2dMgPl
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Say Whaaaaa! More recurrent sex chromosome evolution...sex chromosomes are the best. http://t.co/3BW7AkfeiQ
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Birds and giant musk turtle (and a gecko, and flatfish...) share same sex chromosome linkage group #Dmrt1 http://t.co/tBCZpLEL8Y
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The Staurotypus Turtles and Aves Share the Same Origin of Sex Chromosomes but Evolved Different Types of... http://t.co/JUPpWpodh6