First- and second-generation immigrants comprise almost __________ of the U.S. population.
A. one-half
B. one-third
C. one-quarter
D. one-fifth
Answer: C
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Huela talks to her physician about assessing the health of her unborn child. The physician recommends a test that combines a blood test and ultrasound sonography. Which procedure did the physician recommend?
A. amniocentesis B. sonogram C. first-trimester screen D. embryoscopy
What problem of the workforce persists for women into middle adulthood?
A. "confidence buster" B. "motivational dilemma" C. "glass ceiling" D. "pressure cooker"
What concept is supported by studies of the HACNS1 DNA segment?
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Research into the causes of Alzheimer's disease disorder indicates the influence of a. multiple genes
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