Detailed Instructions: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
Problem:During interphase of meiosis process, each chromosome is duplicated, and the sister chromatids formed during synthesis are held together at the centromere region by cohesin proteins.
Solution:
During interphase of what process, each chromosome is duplicated, and the sister chromatids formed during synthesis are held together at the centromere region by cohesin proteins?