Lactose Tolerance Phenotypes in Africa

NY Times [italicized extract below] — On the findings that Sarah Tishkoff and her team found, as have others too, showing that the C−13.9kbT allele which is determined to be a predictor of lactose tolerance in Europe, has not been effective in predicting lactose tolerance in Africa, even though this is a continent where lactose tolerance amongst various groups, particularly those that practice