Gene Transfer in Plants
Crown gall tissue

both (a) and (b)
can be cultivated in vitro in absence of bacteria
retains tumorous properties when cultivated
shows tumorous properties only in presence of bacteria

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Gene Transfer in Plants
Advantage of microprojectile method over microinjection method for gene transfer in plants include

method is universal in its application irrespective of all shape, size, type and presence or absence of cell wall
All of these
gene can be transferred to many cells simultaneously
intact cells are used

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

Integration of T DNA occurs at one site that may be random 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 two specific sites in the plant nuclear DNA
Integration of T DNA occurs only at one specific sites in the plant nuclear DNA

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