Fact 1: Chromosomes are coiled structures made of DNA and proteins.

Fact 2: Genes are part of the chromosomes and coded for on the DNA strands.

Given the two facts above, answer the question "What are a part of coiled structures made of DNA and proteins?" with the following options: 
- seeds
 - alleles
 - genes
 - skin
 - PDAs
 - coils
 - ovaries
 - complex


 

   genes      