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Biotechnology - Gene Transfer in Plants

Exercise : Gene Transfer in Plants - Section 1
  • Gene Transfer in Plants - Section 1
21.
Opines that are present in crown gall tumour include
octopine
nopaline
agropine
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Intermediate vectors containing T-DNA are conjugation deficient. Thus conjugation is mediated in presence of which of the following plasmid?
pRK 2013
pRN 3
either (a) or (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Which of the following is true about T DNA?
Integration of T DNA can occur at many different, apparently random, sites in the plant nuclear DNA
Integration of T DNA occurs only at one specific sites in the plant nuclear DNA
Integration of T DNA occurs at two specific sites in the plant nuclear DNA
Integration of T DNA occurs at one site that may be random in the plant nuclear DNA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which of the following is not true about the direct repeats flanking T-DNA?
They are conserved between nopaline and octopine Ti-plasmids
These repeats are transferred intact to the plant genome
These are important in integration mechanism
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The left segment of octopine T-DNA (TL) is necessary for
enzymes for agropine biosynthesis
tumour formation
conjugative transfer
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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