Evolution
Evolution and Natural Selection
Similarities and differences in inherited characteristics of organisms alive today or in the past can be used to…
Item CA034002: Organisms whose DNA sequences for a certain gene are more similar than those of another organism, are also more closely related.
Assume that Gene X is a gene that codes for a trait that dogs, pigs, and cats have in common (such as forelegs, tail, etc.). Based only on the composition of Gene X for dogs, pigs, and cats, which of these organisms do you think are most closely related?
- Dogs and Cats
- Dogs and Pigs
- Cats and Pigs
- Not enough information is given.
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 382 | 558 | 68% |
| Grades | |||
| 6–8 | 15 | 25 | 60% |
| 9–12 | 345 | 498 | 69% |
| Gender | |||
| Male | 169 | 243 | 70% |
| Female | 188 | 274 | 69% |
| Primary Language | |||
| English | 347 | 502 | 69% |
| Other | 11 | 19 | 58% |
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 234 | 294 | 80% |
| Grades | |||
| 6–8 | 20 | 23 | 87% |
| 9–12 | 192 | 247 | 78% |
| Gender | |||
| Male | 85 | 109 | 78% |
| Female | 136 | 171 | 80% |
| Primary Language | |||
| English | 206 | 264 | 78% |
| Other | 8 | 9 | 89% |
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 241 | 281 | 86% |
| Grades | |||
| 6–8 | 2 | 3 | 67% |
| 9–12 | 223 | 257 | 87% |
| Gender | |||
| Male | 106 | 132 | 80% |
| Female | 127 | 140 | 91% |
| Primary Language | |||
| English | 219 | 254 | 86% |
| Other | 9 | 11 | 82% |