Which statement about the harm done by teratogens is true?
A) Passive smoking is rarely harmful to the developing fetus.
B) The genetic makeup of the mother and the developing organism plays an important role.
C) The negative impact of teratogens is usually reversible.
D) The most serious defects occur in the germinal period.
Answer: B
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a. single gene-pair inheritance. b. polygenetic effects. c. dominant genes. d. sex-linked traits.
Adults with ADHD are likely to have better outcomes in their life if ____
a. their symptoms do not appear before adolescence b. they have behavior plans c. have access to resources d. find the problems of ADHD less challenging
The degrees of freedom of correlation test are determined by ______.
A. n B. n-1 C. n-2 D. number of variables
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