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Which one of the following is a correct statement?

  1. A
    "Bt" in "Bt-cotton" indicates that it is a genetically modified organism produced through biotechnology.
  2. B
    Somatic hybridization involves fusion of two complete plant cells carrying desired genes.
  3. C
    The anticoagulant hirudin is being produced from transgenic Brassica napus seeds.
  4. D
    "Flavr Savr" variety of tomato has enhanced the production of ethylene which improves its taste.

Solution & Step-by-step Explanation

Hirudin, a protein that prevents blood clotting, has been successfully produced in the seeds of transgenic Brassica napus (rapeseed)."Bt" specifically stands for the bacterium Bacillus thuringiensis.Somatic hybridization involves the fusion of protoplasts (cells without walls), not complete cells."Flavr Savr" tomatoes were engineered to reduce (not enhance) ethylene-related softening.

Practice this question

Try it yourself before checking the explanation above.

Which one of the following is a correct statement?
A
"Bt" in "Bt-cotton" indicates that it is a genetically modified organism produced through biotechnology.
B
Somatic hybridization involves fusion of two complete plant cells carrying desired genes.
C
The anticoagulant hirudin is being produced from transgenic Brassica napus seeds.
D
"Flavr Savr" variety of tomato has enhanced the production of ethylene which improves its taste.

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