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Chernobyl's mutant wolves appear to have developed resistance to cancer, study finds (news.sky.com)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] Uruanna 42 points 11 months ago (1 children)

That's what natural selection is. We focus on those that survived because they developed resistance to something, but it has always meant that everybody else died and the species as a whole has moved forward.

[–] agitatedpotato 21 points 11 months ago* (last edited 11 months ago) (1 children)

Sure but the headline doesn't say 'natural selection caused . . .' it straight up say 'Mutant wolves developed resistance to cancer' did they though? Or was that mutation already present and sudden environment changes cause the other ones to die off?

[–] Uruanna 30 points 11 months ago

Cancer-causing radiations don't cause wolves to develop cancer resistance, they cause wolves to develop cancer. Those that were more resistant survived, those that weren't didn't, now we have wolves that are different from those that we had before. They are mutant wolves, but the radiations didn't make them mutants. The mutation happened before in some wolves, and their descendants survived better than those that didn't have it. Evolution has always been like that.