Original Project
Reproduction, Genes, and Heredity
Item RH041001: Each chromosome is made of a single DNA molecule.
Which of the following describes the relationship between chromosomes and DNA molecules?
- Each chromosome is made of a single DNA molecule.
- Each chromosome is made of more than one DNA molecule.
- Each DNA molecule is made of more than one chromosome.
- There is no relationship between chromosomes and DNA molecules.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 762 | 3061 | 25% |
| Grades | |||
| 6–8 | 492 | 1892 | 26% |
| 9–12 | 270 | 1169 | 23% |
| Gender | |||
| Male | 355 | 1494 | 24% |
| Female | 394 | 1520 | 26% |
| Primary Language | |||
| English | 678 | 2684 | 25% |
| Other | 66 | 288 | 23% |