If pregnant guinea pigs are administered testosterone, their genetic female offspring will show male, not female, patterns of sexual behavior. This is an example of ______.

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The administration of testosterone during pregnancy is an example of organizing effects of hormones. This is because testosterone during development organizes the brain and body to develop male sexual traits and behavior in offspring, regardless of genetic sex. This is different from activating effects of hormones, which stimulate immediate behavior changes, such as increased aggression in response to high levels of testosterone in adulthood. The other options (C and D) are not relevant to the scenario described.

If Pregnant Guinea Pigs Are Administered Testosterone, Their Genetic Female