Down syndrome is most commonly caused by

A) advanced maternal or paternal age.
B) an error that occurs in the early stages of mitosis, called mosaic pattern.
C) mutation of the genetic material on the twenty-third chromosome pair.
D) failure of the twenty-first pair of chromosomes to separate during meiosis.


D

Psychology

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A person who is exclusively sexually attracted to another person of the same sex has a __________ orientation.

A. heterosexual B. bisexual C. asexual D. homosexual

Psychology

A behavioristic analysis would focus on those events in the environment that help produce the behavior

Indicate whether the statement is true or false

Psychology

A(n) _____________________ would utilize a looser reading of the Constitution and read into it rights that the framers might have recognized or that should be recognized due to "evolving standards."

Fill in the blank(s) with the appropriate word(s).

Psychology

In some languages, nouns and verbs are stressed sounds, and children who speak those languages seem to learn nouns and verbs first. In other languages, prefixes and suffixes are stressed and children learn those sounds first

This idea that children are preprogrammed to focus on "stressed" sounds is a part of the ________ view of language development. Fill in the blanks with correct word

Psychology