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

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

25 bp
20 bp
30 bp
12 bp

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Gene Transfer in Plants
Which of the following plant signal molecules regulate the expression of vir B, C, D and E in case of tobacco?

α-hydroxy syringone
Acetosyringone
None of these
Both (a) and (b)

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

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

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

conjugative transfer
enzymes for agropine biosynthesis
all of these
tumour formation

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

cos site
flanking sequences
transfer sequences
border sequences

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