The size of the DNA region specifically recognized by type II restriction enzymes is typically:

The size of the DNA region specifically recognized by type II restriction enzymes is typically: 


A) 4 to 6 base pairs.
B) 10 to 15 base pairs.
C) 50 to 60 base pairs.
D) 200 to 300 base pairs.
E) about the size of an average gene.

Answer:  A