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Practice mode Plant Breeding and Genetics

During which type of cell division does chromosome duplication occur?

Correct answer B. Mitosis and meiosis

Explanation

Chromosomes replicate in the S phase of interphase before both mitosis and meiosis, so each chromosome consists of two sister chromatids when division begins.

Tip: press A, B, C or D to answer, and N for the next question.

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