AS Biology Unit 2 answer explanation?

The question on this past paper is: 'A Polypeptide has 51 amino acids in its primary structure What is the minimum number of DNA bases required to code for the amino acids in this polypeptide?' I tried to work it out but couldn't (DNA is my weak area) and the mark scheme says the answer... show more The question on this past paper is:

'A Polypeptide has 51 amino acids in its primary structure

What is the minimum number of DNA bases required to code for the amino acids in this polypeptide?'

I tried to work it out but couldn't (DNA is my weak area) and the mark scheme says the answer is
153

It doesnt say how to get that answer though.

So how do you get that answer?
3 answers 3