Fact 1: Molecules of DNA are encoded with instructions that tell cells what to do.

Fact 2: Genes are parts of DNA molecules.

Given the two facts above, answer the question "What tells a cell what to do?" with the following options: 
- breathe
 - alleles
 - Energy
 - voltage
 - fever
 - genes
 - nerves
 - state


 

      genes   