Identical Twins Are More Likely Than Siblings or Fraternal Twins

question 136

Multiple Choice

Identical twins are more likely than siblings or fraternal twins to have the same sexual orientation, although this is not always the case. This suggests that

• A) genes are the major determinant of sexual orientation.
• B) genes influence sexual orientation, but other factors may be involved as well.
• C) a shared fetal environment determines sexual orientation.
• D) a shared childhood environment determines sexual orientation.
• E) parents guide development of sexual orientation through operant conditioning.

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Definitions:

Applause

A traditional expression of praise or acknowledgment performed by the audible clapping of hands.

Mediation

A process of conflict resolution where a neutral third party assists disputing parties in reaching an agreement.

Retaining Face

The act of maintaining respect, dignity, or honor in social situations, often by avoiding embarrassment or humiliation.

Mediation

The process or intervention in a dispute or negotiation by an impartial third party to help those involved reach a settlement or understanding.