Dairy Cattle Were Unknown in Thai Culture Until Recently, and 97

question 37

Multiple Choice

Dairy cattle were unknown in Thai culture until recently, and 97 percent of Thai people are lactose intolerant as adults. Which explanation for such widespread lactose intolerance is most likely correct?

• A) Allergies are becoming more common in humans as more chemicals are being encountered during longer lifetimes.
• B) Evolutionarily, producing an enzyme to break down a sugar that will never be encountered is wasteful.
• C) The ability to digest sugar in milk is determined by environment, and most humans are not exposed to milk as a food source beyond childhood years.
• D) There is no good explanation for this situation in humans.

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Definitions:

Milgram Experiment

A psychological experiment conducted by Stanley Milgram in the 1960s to study obedience to authority, where participants were instructed to administer electric shocks to another person.

Stanford University Prison Experiment

A psychological study conducted by Philip Zimbardo in 1971 at Stanford University, where students were assigned roles of prisoners and guards to explore the effects of perceived power.

Generalization

Drawing a conclusion about a certain characteristic of a population based on a sample from it.

Logical Support

The provision of reasons or evidence to justify a claim or argument.