A gardener has two sets of strawberry plants, named X and Y. They are cultivated to maturity in identical conditions. He records several observations and decides that the plants in group X were formed asexually and those in group Y were raised from seeds. Which observations provide the strongest support for his conclusions?
- A1, 2, 3 and 4
- B1 and 4 only
- C2 and 3 only
- D4 only