Gene Transfer in Plants
Virulent strains of Agrobacterium contain large Ti-plasmids, which are responsible for the DNA transfer and subsequent disease symptoms. It has been shown that Ti-plasmids contain

one set of sequence necessary for gene transfer
two sets of sequence necessary for gene transfer
three sets of sequence necessary for gene transfer
four sets of sequence necessary for gene transfer

ANSWER DOWNLOAD EXAMIANS APP

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
different parts of the Ti-plasmid are incorporated
complete Ti plasmid is incorporated in plant nuclear DNA

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP