Jaya read in a Biotechnology book that alien DNA can be introduced int

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

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

Answer»

(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.