It is difficult to isolate the precise damage caused by illegal drugs during pregnancy because __________
A) most drug-using mothers refuse to participate in teratology research
B) the majority of babies born to drug-using mothers do not survive for more than a few days
C) most drug-using mothers quit using illegal drugs during the first trimester of pregnancy
D) drug users often take several drugs, display other high-risk behaviors, and suffer from other stresses
Answer: D
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Which of the following is a belief related to dhat syndrome?
a. Semen is lost because it mixes with urine during urination. b. Preservation of semen guarantees ascendance to a higher level of afterlife upon death. c. Ejaculation during sexual intercourse allows males to gain life energy by draining it from females. d. Loss of semen depletes the body of physical and energy but increases mental attentiveness.
Of the 23 pairs of chromosomes, 22 pairs look alike and possess genetic information concerning the same traits. These are
a. sex chromosomes. b. identical chromosomes. c. autosomes. d. alleles