Evolution
Evolution and Natural Selection
Genetic variation results from mutations and allele shuffling during reproduction, which leads to variation in p…
Item EH014001: Mutation is a process that creates new alleles in a population.
Which of the following processes creates new alleles in a population?
- Disease
- Natural Selection
- Predation
- Mutation
Pre-Test
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 558 |
6–8 n = 25 |
9–12 n = 498 |
Male n = 243 |
Female n = 274 |
English n = 502 |
Other n = 19 |
||
| A. | Disease | 9% | 20% | 8% | 8% | 8% | 9% | 5% |
| B. | Natural Selection | 29% | 28% | 28% | 29% | 27% | 27% | 37% |
| C. | Predation | 4% | 4% | 4% | 5% | 3% | 4% | 0% |
| D. | Mutation | 58% | 48% | 60% | 58% | 61% | 60% | 58% |
Post-Test (Control)
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 294 |
6–8 n = 23 |
9–12 n = 247 |
Male n = 109 |
Female n = 171 |
English n = 264 |
Other n = 9 |
||
| A. | Disease | 3% | 0% | 3% | 2% | 4% | 3% | 0% |
| B. | Natural Selection | 34% | 39% | 34% | 31% | 36% | 34% | 56% |
| C. | Predation | 3% | 0% | 2% | 3% | 3% | 2% | 0% |
| D. | Mutation | 61% | 61% | 61% | 64% | 57% | 61% | 44% |
Post-Test (Treatment)
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 281 |
6–8 n = 3 |
9–12 n = 257 |
Male n = 132 |
Female n = 140 |
English n = 254 |
Other n = 11 |
||
| A. | Disease | 0% | 0% | 0% | 1% | 0% | 0% | 0% |
| B. | Natural Selection | 25% | 0% | 26% | 30% | 23% | 25% | 27% |
| C. | Predation | 1% | 0% | 1% | 2% | 0% | 1% | 0% |
| D. | Mutation | 74% | 100% | 73% | 68% | 77% | 74% | 73% |