Any definition of a "subspecies" beyond "the level of taxonomic order beneath a species" is sheer scholasticism. ...
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... Real taxonomic order is inherently messy, because evolutionary biology is. Concepts are scientific only if they follow the phenomenon.
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... If there's a coherent pattern of genetic distance, it merits a word -- unless people are deliberately trying to obfuscate (which is not untypical).
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I mean, Elizabeth used such a word - "haplogroup". The attempt to revitalize the related but outdated word "race" instead seems to do little work besides let older, some not-even-claiming-to-be-scientific concepts of race free-ride on only formally similar premises
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"Race" hasn't been mentioned in this conversation, although there is no good reason why it shouldn't have been. ...
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... The attempt to indicate technical invalidation of sound empirical concepts in general circulation is an undisguised ideological engineering project.
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Replying to @Outsideness @homunculette
That's an endearingly paranoid way of trying to ignore the fact that "subspecies" implies a bar that is in no way met by y-chromosome haplogroups.
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Replying to @ElSandifer @homunculette
It doesn't imply any kind of "bar". It's a flexible taxonomic heuristic.
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The Humpty Dumpty Gambit.
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Unless you're both arguing that all taxonomic order breaks off completely at the level of the species, this is nonsense.
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... "Yes, there are comparatively isolated human populations, with distinctive genetic characteristics, but we're not going to call them 'races' because that would be to stop despising our great grandparents."
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You do know that this is your tell, right? When you realise your argument is weak, you start to vocalise fictional personae. If you look back down your twitter feed, the pattern sticks out like the Hajnal Line.
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