Approximately what percent of babies born to mothers over the age of 50 have Down syndrome?
A. 1 out of 4
B. 1 out of 10
C. 1 out of 2
D. 1 out of 100
Answer: A
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A preoperational child would assume
a. that tall glasses hold more liquid than short glasses. b. that objects that are out of sight have ceased to exist. c. that subtraction is easier than addition. d. that problems that have not yet been solved will, in the future, be solved.
Dawson invented a new dance step that all the other students began imitating. This invention is an example of ___________ or producing something that is both novel and useful
a. problem solving b. creativity c. evaluation d. practice
For many years in Western society, men were romantic and women were pragmatic in choosing a marriage partner. Why?
What will be an ideal response?
The attempt to relate differences in gene locations with other differences in persons is called
a. quantitative genetics. b. molecular genetics. c. bio-behavioral genetics. d. none of these answers are correct