Alternate selectable markers have ability to differentiate recombinants from non-recombinants due to the

Due to difficulty in inactivation of antibiotics, alternate selectable markers developed to differentiate recombinants from non-recombinants on the basic of ability to

How is insertional inactivation of an enzyme used as a selectable marker to differentiate recombinants from non-recombinants?

If PBR322 is cleaved with Bam HI to insert foreign DNA,which of the following selectable marker is used "],[" to screen recombinants from non- "],[" recombinants?

The charcter that differentiates chordate from non-chordat is

The character that differentiates chordate from non-chordates is

The character that differentiates chordate from non-chordate is

The character that differentiates chordate from non-chordate is