What is one of the few well-documented examples of positive selection in human evolution?

Human Digestion and Gene Variations

Interactive Video
•
Biology, Science, Other
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Starch intolerance
Lactose tolerance
Starch tolerance
Lactose intolerance
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are humans unique among mammals in terms of milk consumption?
Humans can digest milk throughout their lives
Humans are the only mammals that drink milk as adults
Humans are the only mammals that are lactose intolerant
Humans produce more milk than other mammals
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which gene mutation allows some humans to digest lactose as adults?
Lactose gene
Amala gene
LCT gene
Amy gene
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which regions are people more likely to have the lactase gene mutation?
South America
Europe, North Africa, and the Middle East
East Asia
Australia
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the Amala gene in human digestion?
It helps digest proteins
It helps digest starch
It helps digest fats
It helps digest lactose
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the Amala gene differ from the lactase gene in terms of genetic variation?
It is only found in chimpanzees
It has a single mutation
It has multiple copies
It is only found in humans
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which populations are more likely to have multiple copies of the Amala gene?
Populations that consume high-starch diets
Populations that consume high-fat diets
Populations that consume high-sugar diets
Populations that consume high-protein diets
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