About 30 hours after conception, the zygote splits and ______.
A. forms three embryos
B. reconnects into a larger cell
C. forms two identical cells
D. attaches to different parts of the uterus
Answer: C
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Individuals who have alcohol problems tend to come from families with other individuals who have alcohol problems. This suggests that __________.
A. genetic factors cause an individual to have alcohol problems B. environmental factors cause an individual to have alcohol problems C. both genetic and environmental factors cause an individual to have alcohol problems D. although there is an association between genetics and alcoholism, no cause-effect relationship can be concluded.
As early as age 2, children
A) adjust their speech to fit the age, sex, and social status of their listener. B) dominate the discussion, not allowing the other person to speak. C) converse and give directions over the phone equally well. D) take turns and respond appropriately to their partners' remarks.
_____ dictates the views on what makes a trait masculine or feminine
Fill in the blank(s) with the appropriate word(s).
Which statement describes a characteristic of a benign tumor?
A. The tumor is not encapsulated. B. The tumor cells perform a useful function. C. The tumor grows by infiltrating other brain regions. D. The tumor has a distinct border.