Jeff's mother died from Huntington's disease and he inherited the Huntington's gene. What is the likelihood he will also develop symptoms of Huntington's disease?
a. Jeff will almost certainly develop Huntington's.
b. Jeff's odds of developing Huntington's are 1 in 2.
c. Jeff's odds of developing Huntington's are 1 in 4.
d. Jeff's odds of developing Huntington's depends on the gene he inherited from his father.
a
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Allport believed that in order to understand adult motives, we must study:
a. how genetics affects people. c. why people behave as they do at present. b. parent–child relationships. d. childhood needs and frustrations.
Which is the best reason to use a quasi-experimental design?
A. A variable of interest may be impossible to randomly assign. B. They are less expensive than other designs. C. Fewer participants are required. D. Large populations can easily be reached.
Even when drugs fail to induce physical deformities, they may have harmful consequences by
a. producing neonatal behaviors that reduce parental bonding with the child. b. deterring the infant's enrollment in daycare. c. triggering attentional craving, with sibling neglect. d. preventing the natural miscarriage of defective embryos.
Light-sensitive cells in the retina are called:
a. iris b. cornea c. lens d. photoreceptors