You are presented with the question "what are genes coded on?" and the following answer choices: 
- nucleus
 - cell walls
 - A computer
 - Most plants
 - A Greek letter
 - pollen
 - ribosomes
 - DNA strands

Now knowing that chromosomes contain genes, which code for proteins and genes are part of the chromosomes and coded for on the DNA strands, choose the best answer.


 

        DNA strands 