The quest to understand who we are and where we come from has long depended on family lore. But when few relatives or traces of history are available, the search can leave the seekers feeling lost. Now, consumer genetics companies are stepping in where families can not. Popularized by US and British television shows featuring […]
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Why the men of Abergele carry the rare marker is not yet known, but its high frequency could be due to the settlement of the town during the 1st to 4th centuries AD by Roman soldiers. –The Last Legion Movie Still- 2007 A more likely Roman genetic legacy in the British Isles lies in the […]
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These rare individuals, mostly women, have a genetic mutation granting them an extra, fourth cone cell. As a rough approximation based on the number of these extra cones, tetrachromats might see 100 million colors. Since women have two X chromosomes, they could potentially carry two different versions of the gene, each encoding for a cone […]
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