More Than a Dozen Studies Have Found That the Probability

question 56

Multiple Choice

More than a dozen studies have found that the probability of a man's becoming gay rises significantly according to the number of older brothers he has.The reason for this "brother effect" appears to be

• A)that parents with many male children secretly wish for a daughter and encourage feminine behavior.
• B)that a child with older brothers behaves differently to get attention.
• C)that the developing brain responds to having so many males in one house.
• D)changes in the conditions within the womb caused by previous male pregnancies.

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Definitions:

Associated Difficulties

Refers to the challenges or problems that are linked with specific conditions, disorders, or situations.

Chronic Pain

Chronic pain is persistent pain that lasts for weeks, months, or even years, beyond the usual course of an acute illness or healing of an injury.

Neurotransmitter

Chemicals in the brain that transmit signals from one neuron to another, playing key roles in brain function and behavior.

Hormone

A biological chemical that affects parts of the body some distance from where it is produced.