What is the relationship among chromosomes, genes, and dna? a. genes read the dna code found on chromosomes. chromosomes are long tightly wound strands of dna. b. genes are made up of tightly wound strands of dna. chromosomes are made up of one or more genes. c. genes are sections of dna and are found on chromosomes. chromosomes are long, tightly wound strands of dna. d. dna reads the nucleotide sequences found in genes. genes are located on tightly wound structures called chromosomes.