Answer:
The answer to your question is ⇔ anaphase
So it would be anaphase is the phase where the chromosones pull apart.
Step-by-step explanation:
The sister chromatids are pairs of identical copies of DNA joined at a point called the centromere. During anaphase, each pair of chromosomes is separated into two identical, independent chromosomes. The chromosomes are separated by a structure called the mitotic spindle.
I hope this helps and have a wonderful day!