Original Project
Reproduction, Genes, and Heredity
Item RH047001: In sexually reproducing organisms such as humans, 50% of the DNA in each of the daughter's body cells is from her father.
In sexually reproducing organisms, such as humans, which of the following is TRUE about the DNA in each of the body cells (any cell in the body except a sex cell) of a daughter and her father?
- Less than 50% of the DNA in each of the daughter’s body cells is from her father.
- Exactly 50% of the DNA in each of the daughter’s body cells is from her father.
- More than 50% of the DNA in each of the daughter’s body cells is from her father.
- Each type of body cell in the daughter contains a different amount of DNA from her father.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 669 | 1806 | 37% |
| Grades | |||
| 6–8 | 327 | 1079 | 30% |
| 9–12 | 342 | 727 | 47% |
| Gender | |||
| Male | 331 | 865 | 38% |
| Female | 325 | 908 | 36% |
| Primary Language | |||
| English | 613 | 1636 | 37% |
| Other | 41 | 143 | 29% |
- None identified