Tuesday, September 25, 2007

Ya, ok...sure...Ding Dong...

The Colorado City/Hildale, Utah area has the world's highest incidence of fumarase deficiency, an extremely rare genetic condition which causes severe mental retardation. Geneticists attribute this to the prevalence of cousin marriage between descendants of two of the town's founders, Joseph Smith Jessup and John Yeates Barlow; at least half the double community's roughly 8,000 inhabitants are descended from one or both.

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