Which of the following pairs has the exact same genetic code?
a) parent and child
b) monozygotic twins
c) dizygotic twins
d) regular non-twin siblings
b Explanation: Monozygotic, or identical, twins share 100% of their genetic code. They are
nature's "carbon copies."
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The period of life beginning at puberty and ending with early adulthood is called
a. moratorium. b. the teenage years. c. the pubertal period. d. menarche. e. adolescence.
Which statement about the consequences of child maltreatment is true?
A. Persistent abuse seems to blunt children's normal physiological response to stress. B. After months of abuse, children usually produce too much of the stress hormone cortisol. C. Children who have experienced chronic abuse tend to develop compensatory behaviors that lower stress. D. Cognitive and emotional problems caused by the stress of persistent abuse rarely endure into adolescence and adulthood.
An experiment produces a between-groups variance estimate (mean square) of 25 and a within groups variance estimate (mean square) of 5 . The F value is therefore
a. .2. b. 25. c. 10. d. 5.
When considering the five stages of group development, it is important to remember that
a. groups may progress through the different stages in a different order. b. groups will progress through the five stages in exactly the same order. c. groups will spend the exact same time in each stage. d. groups progress through the stages in the time and order appropriate to their needs. e. individuals recognize that group formation is a relatively easy task.