Saturday DNA! Got Lactase?

Pre-registration required - Space at Saturday DNA! events is strictly limited, and there are no registrations allowed at the door.
Over 60% of humans worldwide are lactose intolerant. This intolerance is considered an ancestral trait because early humans were all intolerant. Like other mammals, these ancient ancestors stopped producing the digestive enzyme after weaning off their mothers’ milk. Why, then, are some humans able to continue drinking milk after infancy? Join us to better understand the very interesting story of how a combination of genetics and culture has affected our evolution.