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Gene Transfer in Plants

Gene Transfer in Plants
On Ti-plasmid T-region or T-DNA is flanked by a direct repeat of

20 bp
30 bp
25 bp
12 bp

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Gene Transfer in Plants
Vir genes required for the T-DNA transfer and processing are located

outside the T-DNA region
on the T-DNA
none of these
on the plant genome

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Gene Transfer in Plants
Virulence trait of Agrobacterium tumefaciens is borne on

tumour inducing plasmid DNA
chromosomal DNA
both chromosomal and plasmid DNA
cryptic plasmid DNA

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Gene Transfer in Plants
In response to the activating signal molecule, an endonuclease is produced that causes nicks in the T-DNA. It is encoded by

vir C
vir D
vir A
vir B

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Gene Transfer in Plants
Microinjection involves

injection of large amount of DNA
All of these
injection of DNA into bigger cells
injection with needle having diameter greater than cell diameter

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Gene Transfer in Plants
Opines that are present in crown gall tumour include

all of these
nopaline
agropine
octopine

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