Q. For selectable marker. I. It helps to select the host cells which contain the vector and eliminate the non transformants II. Genes encoding resistance to antibiotics like ampicillin, chloramphenicol, tetracycline or kanamycin, are useful selectable markers for $E.coli$ Which of the statements given above are correct?
A) Only I
B) Only II
C) I and II
D) None of these
Explanation
Selectable marker helps to select the host cells which contain the vector and eliminate the non-transformants. Genes encoding resistance to antibiotics like ampicillin, chloramphenicol, tetracycline or kanamycin are useful selectable markers of E.coli. The normal E.coli cells do not carry resistance against any of these antibiotics
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.