Item RH009002: A skin cell of an organism contains the same genetic information as the fertilized egg cell of that organism.

How does the genetic information in a fertilized egg cell (an egg cell that has combined with a sperm cell) compare with the genetic information in the skin cells of the adult organism that develops from the fertilized egg cell?

  1. The skin cells in the adult organism contain the same genetic information that was in the fertilized egg cell.
  2. The skin cells in the adult organism still contain some of the genetic information that was in the fertilized egg cell, but not very much of the information.
  3. Some of the skin cells in the adult organism contain all of the genetic information that was in the fertilized egg cell, but other skin cells contain just a little of the information.
  4. None of the skin cells in the adult organism contains any of the genetic information that was in the fertilized egg cell.

Distribution of Responses

Chart showing distrubtion of responses for Item RH009002

Percent of students responding correctly

Overall33%
Grades 6–830%
Grades 9–1238%
Male33%
Female33%
Primary Language is English34%
Primary Language is not English27%

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