1-52Why Is It Particularly Useful to Study Identical Twins Who

question 133

Multiple Choice

1-52.Why is it particularly useful to study identical twins who were raised in different environments?

• A)Differences in brain function can easily be identified.
• B)Concordance rates tend to be higher.
• C)It is possible that the genetics of twins who have been separated have changed in ways to explain any differences found.
• D)It is possible that high concordance rates between identical twins reared together is due to their being treated more similarly than nonidentical twins.

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Definitions:

Hamilton's Rule

A principle of kin selection that predicts when natural selection will favor altruistic acts among related individuals, based on the cost to the altruist, the benefit to the recipient, and the degree of relatedness.

Adaptive

Relating to or characterized by adaptation; capable of adjusting to new conditions for survival advantage.

Alarm-Calling

A behavior in animals where individuals produce vocalizations to warn conspecifics of potential danger.

George C. Williams

A prominent evolutionary biologist known for his work on natural selection, adaptation, and the cost of reproduction.