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A-LevelBiologyThe mitotic cell cycle9700/12 · Feb/Mar 2025 · Q211 Mark

Which percentage of the chromosomal DNA present in a cell during G₁ is present in the same cell later in the same mitotic cell cycle during prophase and during telophase?

Aprophase: 50%, telophase: 25%
Bprophase: 50%, telophase: 50%
Cprophase: 100%, telophase: 50%
Dprophase: 100%, telophase: 100%

✓ Correct answer

D: prophase: 100%, telophase: 100%

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About this question

Topic
The mitotic cell cycle, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Feb/Mar 2025 Paper 1 Variant 2, question 21.

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