GCSE Biology (AQA)

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Tissue Culture

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Inheritance, Variation and Evolution Variation and Evolution

Tissue Culture

1:12 Cloning in Plants
Spec 4.6.2.5
Previous Plant Cuttings Next Embryo Transplants
  • Tissue culture involves using small groups of cells from a plant to grow identical new plants.
  • The process starts by scraping a tissue sample from a plant.
  • The cells are placed in a Petri dish with agar jelly, nutrients, and plant hormones to stimulate growth.
  • This environment allows the growth of tiny plantlets.
  • These plantlets are then transferred to compost to mature into full plants.
  • Tissue culture is likened to growing a culture of bacteria, but with plant tissue.
  • It is a more complex process than taking cuttings.
  • Tissue culture is crucial for preserving rare plant species, as taking cuttings could harm the plant.
  • It is also significant commercially in plant nurseries to produce large quantities of plants efficiently.
  • When scaled up, tissue culture can be more efficient than taking cuttings.

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