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

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

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Gene Transfer in Plants
Which of the following is not true for microinjection technique that involves transfer of DNA into protoplast?

The recipient cells are immobilized on artificial support or artificially bound to substarate
It is carried out with the help of micromanipulator
All of these
It employs needle with diameter greater than cell diameter

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Gene Transfer in Plants
Crown gall tissue

retains tumorous properties when cultivated
shows tumorous properties only in presence of bacteria
can be cultivated in vitro in absence of bacteria
both (a) and (b)

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