The beginning of anaphase is indicated by which of the following?
A) Chromatids lose their kinetochores.
B) Cohesin attaches the sister chromatids to each other.
C) Cohesin is cleaved enzymatically.
D) Kinetochores attach to the metaphase plate.
E) Spindle microtubules begin to polymerize.

Question

Quizplus · Accepted Answer

Anaphase is initiated by the cleavage of cohesin, the protein complex that holds the sister chromatids together. Once the cohesin is cleaved, the sister chromatids are separated and pulled toward opposite spindle poles.

The Beginning of Anaphase Is Indicated by Which of the Following