Question
SLPaper 1A
Lactose intolerance occurs when the enzyme, lactase, that digests lactose is not produced after infancy in humans. The incidence of lactose intolerance varies in different racial groups. The graph shows the distribution of lactose intolerance in different human populations.
What can be hypothesized from the graph?
A
Native American people produce most lactase after infancy.
B
Most Indian people do not produce lactase after infancy.
C
Lactase is not produced after infancy in most Caucasian people.
D
One quarter of Afro-Caribbean people will probably experience digestive problems when drinking milk.