Fill in the Blanks Location of Genes in the ChromosomeOnline version Location of Genes in the Chromosome by Yanna 1 DNA nucleus proteins Chromosome - A structure found in the made up of and ; contains genes . 2 chromosomes traits DNA Gene - Segments of that carry instructions for ; found on . 3 genetic growth function DNA - The molecule that contains instructions used in and . 4 specific genes determined Trait - A characteristic ( like eye color or height ) by .