Small pieces of tissue from a plant are used to produce new plants.
Which sequence describes tissue culture?
Cross-pollinate flowers from selected plants; collect seeds; grow seedlings on nutrient medium.
Cross-pollinate flowers from selected plants; grow plantlets; transfer plantlets to compost.
Place tissue on sterile nutrient medium; grow plantlets; transfer plantlets to compost.
Place tissue on sterile nutrient medium; collect seeds; transfer seeds to compost.
44 exam-style questions on Edexcel GCSE Biology 4.3 Selective breeding and genetic modification, covering 4.3.1 Selective breeding and its impact, 4.3.2 Tissue culture, 4.3.3 Genetic engineering overview, 4.3.4 Main stages of genetic engineering, 4.3.5 Advantages and disadvantages of GM organisms, 4.3.6 Agricultural solutions for a growing population, and 4.3.7 Evaluating genetic engineering and breeding. Each one has a worked solution and a mark scheme showing where the marks go.