The process of "crossing over"
A) ensures that characteristics will be transmitted from parents to offspring.
B) decreases the likelihood of mutations, chromosomal abnormalities, and birth defects.
C) increases the potential for healthy sperm to reach the site of fertilization.
D) ensures variability among the genetic codes of siblings.
D
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A 17-year-old camp counselor is trying to teach a new game to 5- and 6-year-olds. He begins by asking, "O.K., do any of you know some games where you look for things that are hidden?" His strategy would be called
a. trying to establish common ground. b. emphasizing prosody. c. trying to solve the linearization problem. d. a shallow level of processing
In problem solving, the term obstacles refers to
a. the situation at the beginning of problem solving. b. the method by which people understand the problem. c. restrictions that are encountered in problem solving. d. the portion of a problem that you initially examine during problem solving.