Researchers were notably clear that such responses misunderstood what the finding showed. As Tom Booth observed, modern racial categories cannot be projected onto the Mesolithic. The trait combinations that exist in modern populations — specific pairings of skin tone, eye color, and hair type associated with contemporary ethnic identities — reflect relatively recent genetic history, not ancient constants. Dark skin and blue eyes in Cheddar Man are not a sign of exotic or mixed ancestry; they are simply the combination of traits present in his population, which was the primary population of Britain at the time.
The Runnymede Trust’s policy brief, published the day after the announcement, placed the finding in a broader historical context: evidence of a non-white presence in Britain extends well beyond Mesolithic prehistory, to Roman-era individuals from North Africa documented in the archaeological record, to medieval figures, and to much later periods. The brief argued that hostile reactions to findings like the Cheddar Man DNA results reflect the persistence of nineteenth-century ideas about racial purity in British national identity.
Rick Schulting, an Oxford archaeologist who was not involved in the Cheddar Man study, suggested that the finding might prompt people “to rethink” what it means to be British. That rethinking, if it has occurred, has happened gradually and unevenly — the scientific finding has become well-known, but its implications for popular understandings of British history and identity continue to be debated.
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## Mitochondrial Haplogroup U5b1 and What It Does and Doesn’t Tell Us
The mitochondrial DNA haplogroup identified for Cheddar Man — U5b1, consistent with the 1997 Bryan Sykes study — is a detail worth unpacking, because it is one of the places where the science is sometimes misrepresented.