Which test is used to detect Down syndrome by collecting blood from the umbilical cord after the 18th week of pregnancy?
A. fetal blood sampling (FBS)
B. embryoscopy
C. chorionic villus sampling (CVS)
D. amniocentesis
Answer: A
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What evidence indicates a genetic influence on sexual orientation? a. Homosexuality is more common among men who had an older brother
b. One gene on the Y chromosome is strongly correlated with sexual orientation. c. Most gay men and lesbian women have at least one homosexual parent. d. Monozygotic twins share the same orientation more often than dizygotic twins do.
Children first begin to demonstrate an understanding of syntax during the:
a. babbling stage of language development b. telegraphic speech stage of language development c. cooing stage of language development d. one-word stage of language development
When parents read rhyming stories, such as those written by Dr. Seuss, to their children, their
a. children's phonological awareness decreases. b. children usually become bored and learn to dislike reading. c. children may enjoy it but their reading skills will not improve. d. children learn how to read easier.
As discussed in the text, which of the following is strongly related to the probability of experiencing a midlife crisis in middle adulthood?
a. maintaining a low false-self b. maintaining a high self-concept c. experiencing positive life events d. experiencing negative life events