Lactose and Lactose Intolerance Quiz

What is the purpose of a lactose tolerance test?

• To measure blood pressure

• To check glucose levels in the blood

• To test for allergies

• To measure cholesterol levels

What did researchers compare to find differences in lactase persistence?

• The diet of different populations

• The DNA of persistent and non-persistent people

• The climate of different regions

• The lifestyle of pastoralists

What did the research team identify in Finnish families?

• A new type of dairy product

• A mutation in a lactase switch

• A unique cultural practice

• A different dietary habit

Tags

NGSS.HS-LS3-2

What was unique about the lactase persistence mutation found in the Maasai?

• It was identical to the European mutation

• It arose independently from the European mutation

• It was found only in children

• It was linked to a different enzyme

Tags

NGSS.HS-LS3-2

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What is a common trait between the Maasai and early Europeans regarding lactase persistence?

• Both are urban dwellers

• Both are pastoralists

• Both are agriculturalists

• Both are hunters

What is the cultural significance of cows to the Maasai?

• Cows are used for transportation

• Cows are central to their monetary system

• Cows are used for religious rituals

• Cows are primarily for meat

What did the African settlements 7,000 to 5,000 years ago use according to the findings?

• Wheat

• Dairy

• Rice

• Corn

What can geneticists date by analyzing DNA according to the text?

• Evolution of plants

• Mutations

• Climate changes

• Soil composition

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NGSS.HS-LS4-1

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Why is milk considered a relatively uncontaminated fluid?

• It is processed in factories

• It reduces exposure to pathogens and parasites

• It is stored in sealed containers

• It is boiled before consumption

What is the nature of the selection for lactase persistence described as?

• Common and weak

• Rare and powerful

• Frequent and mild

• Uncommon and ineffective

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5