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Gene Transfer in Plants

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

transformation
biparental mating
transduction
triparental mating

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

Hygromycin phosphotransferase
any of the above
Neomycin phosphotransferase
Streptomycin phosphotransferase

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Gene Transfer in Plants
Microprojectile method of gene transfer in plants involves delivery of DNA

with the help of needles
with the help of bolistics
any of the above
with the help of micromanipulator

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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 C
vir D
vir A
vir B

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Gene Transfer in Plants
Opines that are present in crown gall tumour include

nopaline
all of these
octopine
agropine

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

conjugative transfer
tumour formation
enzymes for agropine biosynthesis
all of these

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