Evolution
Evolution and Natural Selection
Genetic variation results from mutations and allele shuffling during reproduction, which leads to variation in p…
Item EH049002: Gene mutations, recombination of genes, and natural selection can lead to differences in the DNA sequences of dogs and beetles.
The DNA sequences of dogs and the DNA sequences of beetles differ in many ways. Which of the following mechanisms could lead to differences in the DNA sequences of dogs and beetles?
- Gene mutations
- Recombination of genes
- Gene mutations and recombination of genes
- Gene mutations, recombination of genes, and natural selection
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1230 | 2269 | 54% |
| Grades | |||
| 6–8 | 46 | 91 | 51% |
| 9–12 | 1104 | 2013 | 55% |
| Gender | |||
| Male | 512 | 963 | 53% |
| Female | 643 | 1143 | 56% |
| Primary Language | |||
| English | 1118 | 2055 | 54% |
| Other | 40 | 63 | 63% |
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 676 | 1104 | 61% |
| Grades | |||
| 6–8 | 28 | 70 | 40% |
| 9–12 | 575 | 901 | 64% |
| Gender | |||
| Male | 257 | 434 | 59% |
| Female | 353 | 555 | 64% |
| Primary Language | |||
| English | 592 | 949 | 62% |
| Other | 17 | 33 | 52% |
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 799 | 1165 | 69% |
| Grades | |||
| 6–8 | 13 | 18 | 72% |
| 9–12 | 724 | 1059 | 68% |
| Gender | |||
| Male | 359 | 535 | 67% |
| Female | 394 | 571 | 69% |
| Primary Language | |||
| English | 720 | 1055 | 68% |
| Other | 26 | 33 | 79% |