__________ is caused by the presence of an extra twenty-first chromosome.

A. Down syndrome
B. Moebius syndrome
C. Prader-Willi syndrome
D. Warkany syndrome


Answer: A

Psychology

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Parkinson's disease results from a deficiency of transmission at dopamine synapses

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Suppose that a group of men and women are working together in pairs, some in same-gender pairs and some in male-female pairs. Based on the research of Lott, which of the following people would be most likely to respond negatively to his or her partner?

a. A male working with another male b. A male working with a female c. A female working with another female d. A female working with a male

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What does random selection do?

a. increases counterbalancing b. helps to control systematic confounds c. helps to make sure the groups are equated d. increases within-groups variance

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In North America, which of the following groups show the highest rates of religious participation?

A. high socioeconomic people of the majority group B. low socioeconomic people of the majority group C. high socioeconomic ethnic minority groups D. low socioeconomic ethnic minority groups

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