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

Percent of students responding correctly

Overall57%
Grades 6–854%
Grades 9–1262%
Male54%
Female60%
Primary Language is English58%
Primary Language is not English48%

View data table