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Q.

Find the correct statement

A) In the name of restriction enzyme 1st letter represents genus, 2nd letter species. 3rd  letter is name of the strain and the last letter is order in which enzyme is isolated.     

B) DNA fragments can be detected by ethidium bromide staining followed by UV trans illumination.

C) Chimeric DNA can be developed by separating various fragments of DNA and Union of desired DNA fragments by endonuclease 

D) Alien DNA can be introduced to host cells by method called Gene-gun method.           

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a

A,B,D

b

B,C,D

c

A,C,D

d

A,B,C

answer is A.

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Detailed Solution

Chimeric DNA is the recombinant DNA molecule or hybrid DNA that carries DNA segments from other sources, i.e., it is the mix of DNA from two different .  Lygases are used for  union of desired DNA fragments.

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