Arctic foxes adapted to cold environments similarly to how polar bears did. The population is under positive selection for fat metabolism genes as food sources are few and far between, increasing fitness in individuals with the right genes. #MUevolution18
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RT @mwilsonsayres: DNA suggest that arctic and red fox lineages diverged 3 million years ago. #2016MMM https://t.co/uqAEHF2Pyd
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RT @mwilsonsayres: DNA suggest that arctic and red fox lineages diverged 3 million years ago. #2016MMM https://t.co/uqAEHF2Pyd
25,791 followers
RT @mwilsonsayres: DNA suggest that arctic and red fox lineages diverged 3 million years ago. #2016MMM https://t.co/uqAEHF2Pyd