Cell Cycle

AP Biology· difficulty 1/5

DNA replication occurs during

  • A

    G₁ phase

  • B

    G₂ phase

  • C

    M phase

  • D

    S phase

    check_circle

Explanation

S = "synthesis." Each chromosome duplicates into two sister chromatids.

Want 10 more like this — adaptive to your weak spots?

Related questions