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Gene Transfer in Plants

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 A
vir D
vir C
vir B

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Gene Transfer in Plants
Which of the following genes are constitutively expressed and control the plant induced activation of other vir genes?

vir B and vir E
vir A and vir G
vir A and vir B
vir C and vir D

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Gene Transfer in Plants
Microinjection involves

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

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Gene Transfer in Plants
Opine synthesis is the property

conferred to plant cells when it transformed by Agrobacterium tumefaciens
both (a) and (b)
of normal plant cells
determined by the bacteria Agrobacterium tumefaciens

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Gene Transfer in Plants
The direct repeats flanking the T-DNA of Agrobacterium tume-faciens are known as

cos site
border sequences
flanking sequences
transfer sequences

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

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

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