Researchers Have Difficulty Determining Genetic Influences on Personality When They

question 6

Multiple Choice

Researchers have difficulty determining genetic influences on personality when they simply compare children with their parents. This is because

• A) it is difficult to find comparable measures for children and adults.
• B) genetic and environmental influences on personality are confounded when using this method.
• C) it is difficult to find control groups that match the experimental groups.
• D) we need to follow the development of the children's personalities for many years to determine genetic influences.

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Definitions:

Monozygotic Twins

Twins that are genetically identical, having developed from a single fertilized egg that split into two.

Genetic Factors

Aspects of an organism's genetic makeup that influence its physical and behavioral traits.

Dizygotic Twins

Also known as fraternal twins, are siblings born at the same time but developed from separate eggs fertilized by separate sperm.

Phenotype

The observable characteristics or traits of an organism, resulting from the interaction of its genotype with the environment.