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Multiple Choice
During which phase do sister chromatids separate from each other?
A
Anaphase of mitosis
B
Metaphase I of meiosis
C
Anaphase I of meiosis
D
Prophase of mitosis
Verified step by step guidance
1
Understand the key terms: Sister chromatids are identical copies of a chromosome connected by a centromere. Separation of sister chromatids refers to the process where these identical copies are pulled apart to opposite poles of the cell.
Review the phases of mitosis: In mitosis, sister chromatids separate during the anaphase stage. This ensures that each daughter cell receives an identical set of chromosomes.
Review the phases of meiosis: Meiosis consists of two divisions, Meiosis I and Meiosis II. In Anaphase I of meiosis, homologous chromosomes (not sister chromatids) are separated. In Anaphase II of meiosis, sister chromatids are separated, similar to mitosis.
Eliminate incorrect options: Metaphase I of meiosis involves the alignment of homologous chromosomes at the metaphase plate, not the separation of sister chromatids. Prophase of mitosis involves chromosome condensation and spindle formation, not chromatid separation.
Conclude the correct answer: Sister chromatids separate during Anaphase of mitosis. This is the phase where the centromeres split, and the chromatids are pulled to opposite poles of the cell by spindle fibers.