A scientist studies a population of genetically identical animals that reproduce asexually. The animals have different body masses and receive different amounts of food.
Which conclusion about their reproduction is justified?
body mass differences alone demonstrate that gametes have fused
body mass differences alone demonstrate that meiosis has occurred
body mass differences alone demonstrate inheritance from two parents
body mass differences alone do not demonstrate genetic variation
40 exam-style questions on Edexcel GCSE Biology 3.1 Reproduction and meiosis, covering 3.1.1 Advantages and disadvantages of reproduction and 3.1.2 Role of meiotic cell division. Each one has a worked solution and a mark scheme showing where the marks go.