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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 A,B
vir D,E
All of these

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Gene Transfer in Plants
Which of the following is true about Agrobacterium tumefaciens?

It causes crown gall disease of plants
It infects dicotyledonous angiosperms
It infects gymosperms
All of these

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

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

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Gene Transfer in Plants
Which of the following are used as selection marker for the cells transformed with Agrobacterium?

Streptomycin phosphotransferase
any of the above
Neomycin phosphotransferase
Hygromycin phosphotransferase

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Gene Transfer in Plants
The transfer of intermediate vectors into Agrobacterium are brought about by

triparental mating
transformation
biparental mating
transduction

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

cos site
transfer sequences
border sequences
flanking sequences

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