Question

what is the correct relationship between dna, genes and chromosomes in a cell?
genes are segments of dna, and chromosomes are composed of dna.
genes are composed of chromosomes, and dna is a segment of genes.
dna is made up of chromosomes, and genes are segments of chromosomes.
dna is a segment of chromosomes, and genes are composed of chromosomes.

Explanation:

Chromosomes are structures in cells that contain DNA. Genes are specific segments of DNA located on chromosomes. DNA is the molecule that carries genetic information. So, genes are segments of DNA, and chromosomes are composed of DNA.

Answer:

Genes are segments of DNA, and chromosomes are composed of DNA.