Original Project
Reproduction, Genes, and Heredity
Genetic information in the form of DNA molecules is transferred from parents to offspring during reproduction.
Item RH059001: If a cat gets its ears torn off in a fight and then has kittens later, it will have no effect on the ears of any of the kittens.
A cat gets into a fight, and the tips of both of its ears get torn off. If the cat has kittens later, how will this affect the shapes of its kittens’ ears?
- All of the kittens’ ears will be missing the tips.
- Some of the kittens’ ears will be missing the tips.
- All of the kittens’ ears will be slightly smaller.
- It will have no effect on the ears of any of the kittens.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 932 | 1447 | 64% |
| Grades | |||
| 6–8 | 575 | 965 | 60% |
| 9–12 | 357 | 482 | 74% |
| Gender | |||
| Male | 409 | 685 | 60% |
| Female | 505 | 737 | 69% |
| Primary Language | |||
| English | 832 | 1249 | 67% |
| Other | 75 | 158 | 47% |