Which of the following events characterizes the beginning of anaphase?
A) loss of kinetochores from the chromatids
B) attachment of sister chromatids to each other by cohesin
C) enzymatic cleavage of cohesin
D) disappearance of the nuclear membrane

Question

Quizplus · Accepted Answer

Cohesin, the protein complex that holds sister chromatids together, is enzymatically cleaved at the onset of anaphase. This cleavage allows the sister chromatids to separate and move to opposite poles of the cell, marking the beginning of anaphase.

Which of the Following Events Characterizes the Beginning of Anaphase