Biology for IGCSE & O level - Inheritance (Section 6 - No. 46)

What is the relationship between genes, DNA, and chromosomes?

Genes are made of chromosomes, which are made of DNA.

Chromosomes are made of genes, which are made of DNA.

DNA is made of genes, which are made of chromosomes.

Genes and chromosomes are made of DNA.

Chromosomes are composed of DNA, and genes are segments of DNA.