Biology 0610 · IGCSE · Genetic modification

Genetic modification — practice question

Why are bacteria useful in genetic engineering? Give all the reasons.

  • AThey are very small. They do not need large containers. They have no mitochondria.
  • BThey reproduce asexually. They can double their numbers in twenty minutes in good conditions. They have cell walls.
  • CThey have the same genetic code as other organisms. They have plasmids. There is a lack of ethical concern about their use.
  • DTheir DNA is not in a nucleus. They have a cell membrane. They have a large surface area to volume ratio.

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