e ) none of these .
8 . The centromere is a region in which :
a ) chromatids remain attached to one another until anaphase .
b ) metaphase chromosomes become aligned at the metaphase plate .
c ) chromosomes are grouped during telophase .
d ) the nucleus is located prior to mitosis .
e ) new spindle microtubules form at either end .
9 . Which of the following does not occur during mitosis ?
a ) condensation of the chromosomes
b ) replication of the DNA
c ) separation of sister chromatids
d ) spindle formation
e ) separation of the spindle poles .
10 . What is the relationship between interphase and cell division ; meaning why must each must occur in order for the other one to proceed ? Be specific