A nursing instructor is teaching a nursing student about human DNA sequences. The student demonstrates understanding by making which of the following statements?
A. "Only 2% of human DNA is different among the different ethnicities."
B. "Due to enzyme polymorphism, Hispanics are less likely to metabolize codeine to morphine."
C. "Even though human genetic differences are small, significant differences can be seen with drug metabolism."
D. "Asian Americans are the ethnic group known to be slow acetylators."
Answer: C
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