Final answer:
During anaphase I of meiosis, the cohesion complex breaks down, allowing the sister chromatids to separate and move towards opposite poles of the cell.
Step-by-step explanation:
During anaphase I of meiosis, the cohesion complex that holds the sister chromatids together breaks down, allowing the sister chromatids to separate and move towards opposite poles of the cell.
This separation is crucial for the proper distribution of genetic material during meiosis.
Once the sister chromatids have separated, the nucleus reforms and the cell undergoes division.