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

Percent of students responding correctly

Overall55%
Grades 6–854%
Grades 9–1257%
Male54%
Female56%
Primary Language is English56%
Primary Language is not English48%

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