AP EAMCET Medical 24 Apr 2019 Shift 2 Paper

A* B and C are transformed host cells with r-DNA made of pBR322 ‘A’ has foreign DNA insert at Bam HI site, 'B‘ has foreign DNA insert at PVU1 and ‘C' has DNA insert in Lac 2. When they are grown on media for selection following changes are observed.
A) ‘C’ transformant produces blue coloured colonies
B) 'C' transformant colonies do not produce blue colour
C) ‘A' transformant survive on the medium containing ampicillin and 'B' survive on tetracyclin containing medium
D) Due to insertional inactivation. ‘A' survive on Tetracyclin containing medium and 'B' survive on medium with ampicillin
Identify incorrect statements