The exchange of chromosome segments during meiosis results in
A) severe mutations.
B) incredible variability among siblings.
C) higher rates of fraternal twins.
D) higher numbers of female zygotes than male zygotes.
B
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The idea that one's self-esteem is tied to one's group memberships is the basis for
a. ingroup prejudice theory. c. competitive prejudice theory. b. social identity theory. d. personal self-esteem theory.
A mother usually begins to feel attached to her baby
a. before birth. b. about one month after the baby's birth. c. when the baby is three to four months of age. d. when the baby is around seven months of age.
In Freud's personality theory, the ________ are in conflict and the ________ must mediate that conflict
a) ego and superego; id b) id and superego; ego c) id and ego; superego d) id, ego, and superego; conscience
A type of premature birth that occurs before 37 weeks gestation is called a ________ birth
Fill in the blank with the appropriate word.