Original Project
Reproduction, Genes, and Heredity
Genetic information in the form of DNA molecules is transferred from parents to offspring during reproduction.
Item RH032002: In sexually reproducing organisms, such as humans, the sex cells contain half the number of DNA molecules as other cells in the human's body.
In sexually reproducing organisms, such as humans, which of the following is TRUE about the sex cells in an individual human?
- The sex cells in an individual human contain half the number of DNA molecules as other kinds of cells in that human's body.
- The sex cells in an individual human contain the same number of DNA molecules as other kinds of cells in that human's body.
- The sex cells in an individual human contain double the number of DNA molecules as other kinds of cells in that human's body.
- The number of DNA molecules in the sex cells in an individual human's body is different for different sex cells in that human’s body.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 977 | 2723 | 36% |
| Grades | |||
| 6–8 | 475 | 1507 | 32% |
| 9–12 | 502 | 1213 | 41% |
| Gender | |||
| Male | 462 | 1296 | 36% |
| Female | 493 | 1370 | 36% |
| Primary Language | |||
| English | 859 | 2406 | 36% |
| Other | 90 | 244 | 37% |