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

Hygromycin phosphotransferase
Neomycin phosphotransferase
any of the above
Streptomycin phosphotransferase

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Gene Transfer in Plants
Opines are

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

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Gene Transfer in Plants
In a plant tumour cell

only a small specific segment of callus T DNA is incorporated
may vary from plant to plant
complete Ti plasmid is incorporated in plant nuclear DNA
different parts of the Ti-plasmid are incorporated

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