Which process involves DNA replication forming duplicate chromosomes?

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Multiple Choice

Which process involves DNA replication forming duplicate chromosomes?

Explanation:
DNA replication happens during the S phase of Interphase, when each chromosome is duplicated to form two sister chromatids. In meiosis, that replication occurs in Interphase I, before the first division. The result is chromosomes with duplicate sister chromatids held at the centromere, enabling the two rounds of division to separate homologous chromosomes first, then sister chromatids. The other stages listed occur after replication and do not involve copying DNA.

DNA replication happens during the S phase of Interphase, when each chromosome is duplicated to form two sister chromatids. In meiosis, that replication occurs in Interphase I, before the first division. The result is chromosomes with duplicate sister chromatids held at the centromere, enabling the two rounds of division to separate homologous chromosomes first, then sister chromatids. The other stages listed occur after replication and do not involve copying DNA.

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