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Hmm. This must be a case where 23andMe reports C where Promethease lists G. If my two G's have given me Tay-Sachs, it has escaped everyone's notice for more than half a century.

While far from obvious, the crucial piece of information is 'Orientation:minus' visible at rs28940871. Cariaso 00:02, 25 October 2010 (UTC)

Sure. As long as this won't confuse people who see a Promethease report!