Which of the following statements is true of neuronal migration?
A. It occurs 6 to 24 weeks after conception.
B. At its peak, close to 200,000 neurons are generated every minute.
C. It causes birth defects such as anencephaly and spina bifida.
D. It results in the closure of the neural tube 27 days after conception.
Answer: A
You might also like to view...
Hugo is in his mid-60s. He is reflecting on his life and is experiencing a sense of satisfaction and accomplishment. How would Erik Erikson describe what Hugo is experiencing?
A. self-esteem B. civility C. integrity D. self-appraisal
Studies (Stoneman et al., 1986; McHale et al., 2001) showed that siblings differing in gender exert some gender socialization effects on each other. Which of the following did researchers find?
A. Girls and boys with an older sister engage in more masculine play activities. B. Older girls with younger brothers show more traditional gender role attitudes than girls with younger sisters. C. Girls and boys with an older brother engage in more masculine play activities. D. Older boys with younger sisters have more traditional gender role attitudes than boys with younger brothers.
The term "sexual preference" suggests:
A. freedom in choosing a particular sexual orientation B. genetic and biological factors play the major role in sexual orientation C. an interaction among biological and psychological factors in determining sexual orientation D. freedom in changing biology and genetic factors
Current thinking indicates that many people with schizophrenia have multiple genes that work together to help produce the disorder. This is known as a
a. multi-genic model. b. polygenic model. c. multiple gene model. d. genetics model.