Item CE097004: All parts of the body, including the muscles and the brain, develop from a single fertilized egg cell.
Most animals start as a single fertilized egg cell. What parts of the body can eventually develop from that single fertilized egg cell?
- The muscles, but not the brain
- The brain, but not the muscles
- Both the muscles and brain
- Neither the brain nor the muscles
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1675 | 3093 | 54% |
| Grades | |||
| 6–8 | 992 | 1930 | 51% |
| 9–12 | 680 | 1158 | 59% |
| Gender | |||
| Male | 806 | 1489 | 54% |
| Female | 845 | 1549 | 55% |
| Primary Language | |||
| English | 1515 | 2764 | 55% |
| Other | 121 | 258 | 47% |

