"Got Lactase?" Video Quiz

What significant shift occurred around ten thousand years ago affecting human diet?

• Invention of the wheel

• Domestication of animals and crop cultivation

• Introduction of cooking

• Discovery of fire

Tags

NGSS.HS-ESS3-1

What is the main sugar in milk that requires an enzyme for digestion?

• Fructose

• Lactose

• Sucralose

• Glucose

What happens to most mammals' ability to digest milk after infancy?

• It improves significantly

• It remains unchanged

• It decreases, leading to lactose intolerance

• It varies depending on the diet

What percentage of adults worldwide can digest lactose?

• About 50%

• About 33%

• About 70%

• About 10%

Where did researchers first identify the mutation responsible for lactase persistence?

• In South American Population

• In African Populations

• In Asian Populations

• In European Populations

Which populations independently evolved lactase persistence?

• European and Asian

• Asian and African

• European and African

• North American and European

Tags

NGSS.HS-LS4-2

What was a common trait among populations that evolved lactase persistence?

• Hunter-gatherer societies

• Nomadic Lifestyles

• Pastoralist Societies

• Agricultural societies

Tags

NGSS.HS-LS4-2

How did dairy consumption influence the spread of lactase persistent mutations?

• It decreased their spread

• It had no effect

• It only affected children

• It increased their spread

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-5

What is gene-culture co-evolution?

• The evolution of genes independent of cultural practices

• The cultural adaptation to genetic mutations

• The influence of genetic mutations on cultural practices

• The interplay between cultural practices and genetic evolution

What advantage did lactase persistence provide in early dairy-consuming societies?

• Improved cognitive function

• Enhanced strength

• Increased height

• Nutritional advantage during food scarcity

Tags

NGSS.HS-LS4-2