What phase in the interphase does DNA replicate?

DNA replication occurs in the S phase of interphase. Interphase is the phase of the cell cycle between divisions, and it consists of three stages: G1, S, and G2. The S phase is specifically dedicated to the replication of DNA. During this phase, the DNA is copied in preparation for mitosis (in somatic cells) or meiosis (in reproductive cells). The S phase is characterized by the unwinding of the DNA, synthesis of new strands, and the accurate duplication of genetic material to ensure that both daughter cells receive a full set of chromosomes.