Practice Test

Question 6 • CMS 2026-2027 Biology CREDIT RECOVERY

Which series of diagrams correctly represents the order of mitosis?

Answer

Image with description Four cell diagrams show stages of mitosis from left to right: chromosomes inside a nucleus, two chromosome groups inside dotted circular outlines, chromatids separating toward opposite poles, and chromosomes aligned at the center with spindle fibers attached.

Image with description Four cell diagrams show stages of mitosis from left to right: chromosomes inside a nucleus, chromosomes aligned at the center with spindle fibers attached, chromatids separating toward opposite poles, and two chromosome groups inside dotted circular outlines.

Image with description Four cell diagrams show stages of mitosis from left to right: chromosomes inside a nucleus, chromatids separating toward opposite poles, chromosomes aligned at the center with spindle fibers attached, and two chromosome groups inside dotted circular outlines.

Image with description Four cell diagrams show stages of mitosis from left to right: chromosomes inside a nucleus, two chromosome groups inside dotted circular outlines, chromosomes aligned at the center with spindle fibers attached, and chromatids separating toward opposite poles.

Explanation

Mitosis proceeds through prophase, metaphase, anaphase, and telophase. The chromosomes first become visible inside the nucleus, then line up at the cell’s center with spindle fibers attached. Next, sister chromatids separate toward opposite poles, and finally new nuclei form around the two chromosome groups. This is the order shown in choice A.

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