Ap bio !
many humans are lactose intolerant meaning they are unable to digest lactose from...
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Biology, 08.08.2019 01:30, amaurio908
Ap bio !
many humans are lactose intolerant meaning they are unable to digest lactose from milk. lactase is the protein that breaks down lactose. in humans, it is synthesized from the lct gene. which of the following describes why lactose intolerance varies among the population?
i feel like it’s between b or d but i’m not sure !
a. expression of lct is unregulated in lactose intolerant people resulting in overproduction of the protein.
b. lactose intolerant people have two recessive alleles for the lct gene.
c. lct gene expression is turned off in lactose intolerant people, but it is turned on in the others.
d. a mutation has affected the lct gene in lactose intolerant people causing it to produce the wrong protein.
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Answers: 2
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