Item RH052001: There are half as many DNA molecules in an unfertilized egg cell as in a fertilized egg cell.

How many DNA molecules are in an unfertilized egg cell compared to a fertilized egg cell? (A fertilized egg cell is an egg cell that has combined with a sperm cell.)

  1. There are half as many DNA molecules in an unfertilized egg cell as in a fertilized egg cell.
  2. There are the same number of DNA molecules in an unfertilized egg cell as in a fertilized egg cell.
  3. There are twice as many DNA molecules in an unfertilized egg cell as in a fertilized egg cell.
  4. There are four times as many DNA molecules in an unfertilized egg cell as in a fertilized egg cell.
Distribution of Responses
Chart showing distrubtion of responses for Item RH052001
Students Responding Correctly
Group Correct Total Percent
Overall 991 1798 55%
Grades
  6–8 580 1072 54%
  9–12 411 726 57%
Gender
  Male46886254%
  Female50490356%
Primary Language
  English906163056%
  Other6814148%

View data table