Changes in part of a chromosome or in the total number of chromosomes is known as a

a. mutation.
b. chromosomal mutation.
c. chromosomal aberration.
d. mutational aberration.
e. genetic mutation.

Answer: c. chromosomal aberration.

Psychology

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The key to avoiding inflexible ethnocentrism lies in our ___________ our own ethnocentrism

a. acceptance of b. resistance to c. awareness of d. willingness to ignore

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On a normal curve, 95 percent of all the cases would be found between which two standard deviations (SDs)?

a. 0 and +3 b. -1 and +1 c. -2 and +2 d. -3 and +3

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