You are presented with the question "where are genes carried?" and the following answer choices: 
- the environment
 - Most plants
 - plant reproduction
 - Veins and arteries.
 - Earth orbiting the Sun
 - the body's largest organ
 - Leeuwenhoek
 - coiled structures

Now knowing that chromosomes are coiled structures made of DNA and proteins and genes are carried on the chromosomes, choose the best answer.


 

        coiled structures 