Question
Biology Question on recombinant technology
The cutting of DNA at specific locations became possible with the discovery of
A
selectable markers
B
ligases
C
restriction enzymes
D
probes.
Answer
restriction enzymes
Explanation
Solution
Restriction enzymes recognise specific base sequences in a DNA molecule and cut its strands, e.g., Eeo R I cuts DNA strands in the base sequence GAATTC.