6. Anaphase II

                                            Lilly Anther in Anaphase II

• The sister chromatids separate and move toward the opposite cell poles.

Chromosome.  Image courtesy of Indigo Instruments

• Sister chromatids are two identical copies of a single chromosome that are connected by a centromere.

• In anaphase of mitosis, sister chromatids separate and begin moving to opposite ends of the cell. Once the paired sister chromatids separate from one another, each is considered a full chromosome.