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Jaya read in a Biotechnology book that alien DNA can be introduced into host ceil by micro injection and biolistics.

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Jaya read in a Biotechnology book that alien DNA can be introduced into host ceil by micro injection and biolistics. Explain these methods.

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(1) Micro-injection-

The recombinant DNA is directly injected into the nucleus of an animal cell.

(2) Biolistics or gene gun-

The cells are bombarded with high velocity micro particles of gold or tungsten coated with DNA. It is suitable for plants.

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