Item RH053001: An unfertilized egg cell contains half as many DNA molecules as a fertilized egg cell.

Which of the following is TRUE about the number of DNA molecules in an unfertilized egg cell of an organism compared to the number of DNA molecules in a fertilized egg cell of that same organism? (A fertilized egg cell is an egg cell that has combined with a sperm cell.)

  1. An unfertilized egg cell contains half as many DNA molecules as a fertilized egg cell.
  2. An unfertilized egg cell contains the same number of DNA molecules as a fertilized egg cell.
  3. An unfertilized egg cell contains twice as many DNA molecules as a fertilized egg cell.
  4. An unfertilized egg cell contains four times as many DNA molecules as a fertilized egg cell.
Distribution of Responses
Chart showing distrubtion of responses for Item RH053001
Students Responding Correctly
Group Correct Total Percent
Overall 820 1442 57%
Grades
  6–8 520 960 54%
  9–12 300 482 62%
Gender
  Male36968154%
  Female44373660%
Primary Language
  English727124358%
  Other7615948%

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