When Identical Twins Are More Likely to Have an Attribute

question 109

Multiple Choice

When identical twins are more likely to have an attribute in common than same-sex fraternal twins, we can conclude that:

• A) the common attribute has at least some genetic basis.
• B) the common attribute has no genetic basis.
• C) there is a low concordance between the twins.
• D) the attribute is primarily determined by social factors.

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Definitions:

Cyclobutanol

A type of organic compound characterized by a four-membered ring structure with a hydroxyl group (-OH) attached, making it an alcohol.

Compound

A chemical entity that is formed by the combination of two or more elements in a specific proportion.

Functional Group

A specific group of atoms within a molecule that is responsible for the characteristic chemical reactions of that molecule.

R-OH

This is a general formula representing alcohols where R represents the alkyl group and -OH represents the hydroxyl functional group.