What is a trisomy?

A) Three copies of a specific autosome
B) Fragile-X syndrome
C) A sex-linked syndrome
D) A third pair of chromosomes

A

Psychology

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In humans, pheromones have been tentatively, but not convincingly, linked to

a) sexual orientation. b) menstrual synchrony. c) secretion of sexual hormones. d) development of secondary sex characteristics.

Psychology

Children who have fits of rage so intense and so frequent that their ability to function in social and academic settings is seriously impaired may be diagnosed with which of the following?

a) histrionic personality disorder b) disruptive mood dysregulation disorder c) depression d) antisocial personality disorder

Psychology