The process of crossing-over
A) increases the potential for healthy sperm to reach the site of fertilization.
B) ensures variability among the genetic codes of siblings.
C) ensures that characteristics will be transmitted from parents to offspring.
D) decreases the likelihood of mutations, chromosomal abnormalities, and birth defects.
B) ensures variability among the genetic codes of siblings.
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Which of the following measures of central tendency is potentially misleading if the data are collected on an ordinal scale?
a. mean b. median c. mode d. none of the above
Total brain death includes all of the following components EXCEPT that
a. the person is totally unresponsive to stimuli (including a lack of pain). b. there is a lack of reflexes. c. there is a failure to breathe for 36 hours. d. there is no electrical activity in the cortex of the brain.
The Gestaltists took a _____ approach to studying consciousness.
a. behaviorist b. molar c. molecular d. introspective
What can you learn from the sign of the Pearson correlation coefficient?
A. magnitude B. strength C. direction D. degree