what happens to chromosomes during the stage stage of the cell cycle in which the nucleus divides, include prophase, metaphase, anaphase,telophase

Answer 1

Since this is not my area of expertise, I searched Google under the key words "chromosomes cell division stages" to get these possible sources:

http://www.google.com/search?client=safari&rls=en&q=chromosomes+cell+division+stages&ie=UTF-8&oe=UTF-8

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.