The fertilized egg will develop into a boy if, at conception,

a. the sperm contributes an X chromosome.
b. the sperm contributes a Y chromosome.
c. the egg contributes an X chromosome.
d. the egg contributes a Y chromosome.

Ans: b. the sperm contributes a Y chromosome.

Psychology

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"Prolonged adolescence" is most likely to occur in industrialized societies

Indicate whether this statement is true or false.

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The symptoms of avoidant personality disorder and ____________ are so similar that many mental health professionals wonder whether they are in fact two separate disorders

A) generalized panic disorder B) social anxiety disorder C) panic disorder with agoraphobia D) agoraphobia without a history of panic disorder

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