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Gene Transfer in Plants

Gene Transfer in Plants
T-DNA transfer and processing into plant genome requires products of which of the following genes?

vir G,C
vir D,E
All of these
vir A,B

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

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

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Gene Transfer in Plants
The left segment of octopine T-DNA (TL) is necessary for

tumour formation
conjugative transfer
enzymes for agropine biosynthesis
all of these

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Gene Transfer in Plants
Which of the following is not true about the helper plasmids?

These help in the mediating conjugation of intermediate vectors
These can't replicate in Agrobacterium
All of these
These can replicate in Agrobacterium

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Gene Transfer in Plants
The right segment of octopine T-DNA (TR) is necessary for

all of these
enzymes for agropine biosynthesis
conjugative transfer
tumour formation

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

30 bp
12 bp
20 bp
25 bp

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