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Biotechnology — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYBiotechnology4 Marks
Question
What are transgenic plants? Explain with any two examples.
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Answer

The genetically engineered crop plants carrying desirable traits are called transgenic plants.
Examples of transgenic plants:

  1. Bt Cotton : Bt cotton is a transgenic plant. Bt toxin gene has been cloned and introduced in many plants to provide resistance to insects without the need of insecticides.
  2. Golden rice : It is a genetically engineered rice with higher beta carotene (provitamin A) content.
  3. Flavr savr tomato : It is developed by inhibiting synthesis of polygalactournonase by inserting antisense gene. This type of tomato has a longer shelf life.

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