What Mutation Causes Lactase Persistence In Humans?

What Mutation Causes Lactase Persistence In Humans? Within European and populations of European ancestry, they are almost entirely correlated with the presence of the −13,910 C/T mutation in the enhancer region of the lactase gene (LCT). Is there only one mutation that causes lactase persistence? Some humans, however, continue to produce lactase throughout adulthood, a