Fraternal Twins Reared Together Have Less Similar Intelligence Test Scores

question 103

Multiple Choice

Fraternal twins reared together have less similar intelligence test scores than do:

• A)identical twins reared apart.
• B)biological siblings reared together.
• C)parents and their biological children living together.
• D)adopted children reared together.

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Definitions:

Nitrile

Organic compounds that contain a cyano group (-C≡N) attached to an alkyl group, used in the manufacture of rubbers, resins, and pharmaceuticals.

Amide

Organic compounds characterized by a carbonyl group attached to a nitrogen atom, often found in proteins and other important biological molecules.

Stereochemistry

An area of chemistry concerned with the three-dimensional arrangement of atoms in molecules and its impact on their chemical reactions and properties.

Esters

Organic compounds derived from carboxylic acids where the hydrogen in the hydroxyl group is replaced by an alkyl or aryl group, often responsible for the aroma of fruits.