This is the structure in the cell nucleus that houses a cell's genetic information.

This is the organism's hereditary information.
This is a segment of DNA on the chromosome that is coded for a particular trait.

These 3 words match up with which sentence above?
Chromosome
DNA
Gene

Chromosome (This is the structure in the cell nucleus that houses a cell's genetic information.)

DNA (This is the organism's hereditary information.)
Gene (This is a segment of DNA on the chromosome that is coded for a particular trait.)