Which of the Following Is the Best Evidence That Genetics

question 9

Multiple Choice

Which of the following is the best evidence that genetics plays an important role in determining intelligence?

• A) Identical twins raised apart have more similar IQs than fraternal twins raised together.
• B) Fraternal twins raised together have more similar IQs than non-twin siblings raised together.
• C) Children have IQs that are more similar to the IQs of their siblings than to the IQs of their parents.
• D) Children adopted from different biological parents but raised by the same adoptive parents have fairly similar IQs as young children.

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Definitions:

Gene Expression

The process by which information from a gene is used to synthesize functional gene products, such as proteins, influencing an organism's structure and functions.

Goldenrod Plant

A genus of flowering plants in the aster family, known for their bright yellow spikes of flowers.

Agouti Gene

A gene that influences pigmentation patterns in mammals' fur by controlling the distribution of melanin.

Snowshoe Hares

A species of hare native to North America, known for their large hind feet and seasonal color change from brown to white.