Imagine That Behavioural Geneticists Have Found a Way to Measure

question 107

Multiple Choice

Imagine that behavioural geneticists have found a way to measure the characteristic of having a "sweet tooth." The correlation between twin pairs is .95 for identical twins and .90 for fraternal twins.Based on this information,what would a behavioural geneticist conclude about the influence of genes and environment on this trait?

• A) It is mildly influenced by genetics because the heritability coefficient is nearly 0.00.
• B) It is mildly influenced by the environment because the heritability coefficient is nearly 0.00.
• C) It is strongly influenced by genetics because the correlations are so high for both types of twins.
• D) It is influenced about equally by genetics and by the environment because the correlations are nearly identical for both types of twins.

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Definitions:

Reduce Aggression

Strategies or interventions aimed at decreasing hostile or violent behaviors in individuals or groups.

Strategies

Plans or methods developed to achieve a specific goal or to solve a problem effectively.

Increase Aggression

The escalation in behaviors aimed at causing harm or asserting dominance over others, which can be triggered by various factors.

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Youngsters who are less likely to be chosen by their peers as friends or companions, often due to perceived differences or social skills deficits.