Explain skin color in terms of polygenic inheritance
What will be an ideal response?
Polygenic inheritance refers to the fact that many genes influence a person's phenotype. Geneticists believe that children get several genes for skin color from each parent, so if one parent is dark-skinned and the other is light-skinned, the child will have a skin color that is somewhere between the two.
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Dr. Mellos is conducting research regarding the norms concerning personal space. Dr. Mellos is interested in the field known as
a. kinesics. b. ecopsychology. c. proxemics. d. ergonomics.
Perky's experiment, in which participants were asked to "project" visual images of common objects onto a screen, showed that
A. imagery and perception are two different phenomena. B. imagery and perception can interact with one another. C. there are large individual differences in people's ability to create visual images. D. creating a visual image can interfere with a perceptual judgment task.
Compared to a few decades ago, personality psychologists today are much more likely to acknowledge the importance of biological influences on personality. This shift is partly a reflection of the declining influence of which approach to personality?
A. Psychoanalytic B. Trait C. Humanistic D. Behaviorism
The prostate gland, a walnut-sized gland at the base of the bladder, produces several substances that are thought to ____
a. aid sperm in their attempt to fertilize an ovum b. provide nutrition for the traveling sperm c. make up about 60% to 70% of the volume of the ejaculate d. clean and lubricate the urethra for the passage of sperm