Research has shown that a person's height is about 81 percent heritable, whereas his or her body mass index (BMI) is about 59 percent heritable. Which of the following is the most accurate interpretation of these findings?
a. The variability we see in a population's height is more influenced by genetic factors than the variability we see in the population's weight.
b. Environmental factors
account for only 19 percent of a person's height and 41 percent of a person's BMI.
c. We cannot make any conclusions about genetic contributions to either height or weight.
d. Knowing the relative genetic contributions to traits such as height or weight does not allow us to compare these two unrelated characteristics of people.
a
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CAH syndrome in females is characterized by ______.
A. androgenization of the internal sex organs B. an XO chromosome pattern (missing one sex chromosome) C. masculinization of the external sex organs D. a lack of androgen receptors
If punishment is used, it is best administered
A. only after the behavior has been repeated several times. B. by someone with whom the child has little contact. C. as soon as the unacceptable behavior begins. D. only after an unacceptable behavior has been completed.
Destiny is in school studying the effects of stressful events on the health of individuals. She is likely studying to be a(n) __________.
A. health psychologist B. positive psychologist C. evolutionary psychologist D. psychiatrist
Inappropriate affect, the experiencing of emotions that are unsuited to a situation, is classified as a ___________ symptom of schizophrenia.
a.) Neurological b.) Negative c.) Avolitional d.) Positive