![josh200508](/avatars/12110.jpg)
josh200508
08.08.2019 •
Biology
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.
Solved
Show answers
More tips
- F Food and Cooking What s the Best Rice for Cooking Plov?...
- F Family and Home How to Remove Fading from Clothes: Tips and Tricks...
- F Food and Cooking How to Make Polendwitsa at Home?...
- F Family and Home Parents or Environment: Who Has the Most Influence on a Child s Upbringing?...
- P Philosophy Unbelievable stories of encounters with otherworldly forces...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- H Health and Medicine How to Treat Whooping Cough in Children?...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
Ответ:
C. LCT gene expression is turned off in lactose intolerant people, but it is turned on in the others.
Explanation:
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. LCT gene expression is turned off in lactose intolerant people, but it is turned on in the others describes why lactose intolerance varies among the population.
Ответ: