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Item RH011001: Brain cells and skin cells both contain DNA molecules, which contain the same genetic information.

Which of the following statements is TRUE about the brain cells, skin cells, and DNA molecules in an individual human?

  1. The brain cells contain DNA molecules, but the skin cells do not.
  2. The skin cells contain DNA molecules, but the brain cells do not.
  3. The brain cells and skin cells both contain DNA molecules, and their DNA molecules contain the same genetic information.
  4. The brain cells and skin cells both contain DNA molecules, but their DNA molecules contain different genetic information.
Distribution of Responses
Chart showing distrubtion of responses for Item 011001
Students Responding Correctly
Group Correct Total Percent
Overall 3478 7665 45%
Grades
  6–8 1803 4539 40%
  9–12 1675 3123 54%
Gender
  Male1774369648%
  Female1630382543%
Primary Language
  English3083679045%
  Other30168144%

View data table