Two plants were grown from cuttings taken from the same parent plant, so they contain the same alleles. One of the plants grew much taller than the other. What is the most likely cause of this difference?
The two plants inherited different alleles for height
A mutation occurred in the cells of both of the plants
The two plants were produced by sexual reproduction
The two plants were grown in different conditions
44 exam-style questions on AQA GCSE Biology 6.2 Variation and evolution, covering 6.2.1 Variation, 6.2.2 Evolution, 6.2.3 Selective breeding, 6.2.4 Genetic engineering, and 6.2.5 Cloning. Each one has a worked solution and a mark scheme showing where the marks go.