The correct statement in the context of using a model for genetic information would be:
The interlocking bricks are the chromosomes.
In this analogy, chromosomes are made up of DNA, which can be thought of as the interlocking bricks that hold genetic information together. Each specific structure built from the bricks could represent a gene, and the manual with instructions could represent the entire genome. However, as per the options provided, the interlocking bricks represent the chromosomes is the most directly aligned analogy.