A grower produces strawberry plants by runners or by sexual reproduction. The table shows the results of a trial. All plants are exposed to the same new disease.
| Method | Number of plants produced | Percentage surviving the disease |
|---|---|---|
| Runners | 800 | 15% |
| Sexual reproduction | 300 | 50% |
Which conclusion is supported by both the results and knowledge of reproduction?
Runners leave 30 more survivors; genetic variation may explain the higher survival percentage.
Sexual reproduction leaves 30 more survivors; genetic variation may explain the higher survival percentage.
Runners leave 350 more survivors; genetic variation may explain the higher survival percentage.
Sexual reproduction leaves 350 more survivors; genetic variation may explain the higher survival percentage.
76 exam-style questions on AQA GCSE Biology 6.1 Reproduction, covering 6.1.1 Sexual and asexual reproduction, 6.1.2 Meiosis, 6.1.3 Advantages and disadvantages of sexual and asexual reproduction, 6.1.4 DNA and the genome, 6.1.5 DNA structure, 6.1.6 Genetic inheritance, 6.1.7 Inherited disorders, and 6.1.8 Sex determination. Each one has a worked solution and a mark scheme showing where the marks go.