Question 3

(Multiple Choice)

A restriction endonuclease cuts DNA at the sequence ACGT.If we assume that all four bases are equally represented in DNA,what are the odds of this sequence occurring on a DNA strand?


A)Roughly every 100 base pairs
B)Roughly every 250 base pairs
C)Roughly every 1000 base pairs
D)Roughly every 10,000 base pairs
E)Roughly every 20,000 base pairs

Answer

B