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Item CE097004: All parts of the body, including the muscles and the brain, develop from a single fertilized egg cell.

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Most animals start as a single fertilized egg cell.  What parts of the body can eventually develop from that single fertilized egg cell?

  1. The muscles, but not the brain
  2. The brain, but not the muscles
  3. Both the muscles and brain
  4. Neither the brain nor the muscles

Distribution of Responses

Chart showing distrubtion of responses for Item CE097004

Percent of students responding correctly

Overall54%
Grades 6–851%
Grades 9–1259%
Male54%
Female55%
Primary Language is English55%
Primary Language is not English47%

View data table