Question

Explain the effect of the mutation that occurs among northern european on lct gene expression

Answer 1

Lactose tolerance and intolerance together with other northern European individuals Lactose, the sugar found in dairy items and drain, is processed by the catalyst lactase. 
Lactose intolerance is a typical stomach related issue where the body can't process lactose, a sort of sugar mostly found in drain and dairy items. Manifestations of lactose intolerance, as a rule, create a couple of hours of devouring nourishment or drink that contains lactose.