Question

genes make up ____, which in turn make(s) up ____.chromosomes; dnadna; genomesgenomes; chromosomesdna; chromosomes

Explanation:

Genes are segments of DNA. DNA is organized into chromosomes. So genes make up DNA, and DNA (organized as chromosomes) is part of the genome conceptually (but the direct composition here is genes → DNA → chromosomes in terms of structure).

Answer:

DNA; chromosomes.