You are presented with the question "Where is BRCA2 located?" and the following answer choices: 
- retina
 - lungs
 - chromatic
 - the eyes
 - chromosome
 - chromography
 - chrome
 - sensory neurons

Now knowing that chromosomes contain genes, which code for proteins and another gene, named BRCA2, has also been identified, choose the best answer.


 

     chromosome    