Genetics alone are responsible for __________
a. brown eyes
b. weight
c. personality
d. gray hair
Answer: A: brown eyes
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Research suggests that important processes allow American blacks to maintain high self-esteem relative to whites. Which of the following has NOT been shown to help American blacks maintain self-esteem?
a. The types of social comparisons that are made b. The criteria that are used to define success and failure c. (Race-related) attributions that are made for events d. The tendency to experience stereotype threat
Most of the cases of children born with genital ambiguity are a result of __________
a) damage to either the X or Y chromosome. b) inconsistency in gender role models. c) excessive or deficient levels of androgens during the prenatal period. d) excessive or deficient levels of estrogen during the prenatal period.
Assume that the allele for curly hair (C) is dominant, and the gene for straight hair (c) is homozygous recessive. If both mother and father are heterozygous dominant for curly hair, what is the likelihood their child has straight hair?
A. 0 B. 0.25 C. 0.5 D. 0.75
In an experiment, a researcher manipulates one variable to see how it affects a second variable. The manipulated variable is called the
a. dependent variable. b. experimental variable. c. independent variable. d. placebo.