There are three basic steps in genetically modifying an organism. Arrange these steps in correct sequence
(a) Introduction of the identified DNA inot the host.
(b) Maintenance of introduced DNA in the host and transfer of the DNA to its progeny.
(c) Identification of DNA with desirable genes
A. `a rarr b rarr c`
B. `b rarr c rarr a`
C. `c rarr b rarr a`
D. `c rarr a rarr b`