Cell Cycle

AP Biology· difficulty 3/5

G1: 1 centrosome S/G2: duplicated M: poles

Centrosomes duplicate during which phase, mirroring DNA replication?

  • A

    G1 phase

  • B

    S phase

    check_circle
  • C

    Early G0

  • D

    Late M phase

Explanation

Centrosome duplication is coordinated with DNA replication during S phase so that two centrosomes are available to form the bipolar spindle in M phase.

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