Exercise: Gene Transfer In Plants

Questions for: Gene Transfer In Plants

Crown gall tissue
A:
can be cultivated in vitro in absence of bacteria
B:
retains tumorous properties when cultivated
C:
both (a) and (b)
D:
shows tumorous properties only in presence of bacteria
Answer: C
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Co-integrating transformation vectors must include a region of homology in
A:
the vector plasmid
B:
the Ti-plasmid
C:
between vector plasmid and Ti-plasmid
D:
none of these
Answer: C
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In a plant tumour cell
A:
complete Ti plasmid is incorporated in plant nuclear DNA
B:
different parts of the Ti-plasmid are incorporated
C:
only a small specific segment of callus T DNA is incorporated
D:
may vary from plant to plant
Answer: C
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Direct DNA uptake by protoplasts can be stimulated by
A:
polyethylene glycol (PEG)
B:
decanal
C:
luciferin
D:
all of these
Answer: A
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Which technique is used to introduce genes into dicots?
A:
electroporation
B:
particle acceleration
C:
microinjection
D:
Ti plasmid infection
Answer: D
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