Behavioral Genetics Methods Can Test the Evolutionary Hypothesis That Girls

question 40

Multiple Choice

Behavioral genetics methods can test the evolutionary hypothesis that girls growing up without an investing father shift to earlier onset of menarche and sexual behavior. Which of the following behavioral genetics findings would refute this hypothesis?

• A) Identical twin sisters raised together enter menarche at the same age, but identical twin sisters raised apart show less similar onset ages for menarche.
• B) The environmental component of menarche onset is larger than the genetic component.
• C) The genetic component of menarche onset is larger than the environmental component.
• D) Age of onset of menarche is not correlated between girls and their biological mothers.

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Definitions:

Intellectual Parents

Figures credited with the creation, development, and nurturing of ideas, theories, or intellectual movements.

Nurturing Environment

An environment that supports and promotes emotional, physical, and intellectual development.

Older Siblings

Siblings who are older in comparison to their brothers or sisters, often taking on roles of leadership or mentorship within families.

Cognitive Neuroscience

Study of links between neural processes and cognitive abilities.