Answer
Seeds would be treated with a mutagen and then planted. Those seeds that then germinated immediately could have a mutation that affects dormancy. These plants, with the mutation, might then be compared with wild plants to isolate gene differences.
Work Step by Step
Seeds would be treated with a mutagen and then planted. Those seeds that then germinated immediately could have a mutation that affects dormancy. These plants, with the mutation, might then be compared with wild plants to isolate gene differences.