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

enzymes for agropine biosynthesis
tumour formation
all of these
conjugative transfer

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Gene Transfer in Plants
Which of the following is true about T DNA?

Integration of T DNA occurs at two specific 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 can occur at many different, apparently random, sites in the plant nuclear DNA
Integration of T DNA occurs at one site that may be random in the plant nuclear DNA

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Gene Transfer in Plants
Opines are

amino acid derivatives found in tumor tissues
amino acid derivatives found in both normal as well as tumor tissues
amino acid derivatives found in normal tissues
None of these

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