Fact 1: Chromosomes contain genes, which code for proteins.

Fact 2: Another gene, named BRCA2, has also been identified.

Given the two facts above, answer the question "Where is BRCA2 located?" with the following options: 
- retina
 - lungs
 - chromatic
 - the eyes
 - chromosome
 - chromography
 - chrome
 - sensory neurons


 

     chromosome    