7.2 Flashcards
1
Q
what is mitosis
A
the stage in the cell cycle that cells divide in
2
Q
list the phases of mitosis
A
prophase
metaphase
anaphase
telophase/cytokinesis
3
Q
centromere
A
the thing that holds sister chromatids together
4
Q
sister chromatids
A
identical copies of DNA
5
Q
homologous chromosomes = same ____, different _____
A
genes; alleles
6
Q
what happens in Prophase
A
chromosomes condense
nucleus dissolves
spindle fibers appear
7
Q
what happens in Metaphase
A
attached to spindle fibers, the chromosomes move to the middle of the cell
8
Q
what happens in anaphase
A
the sister chromatids separate and move to separate ends of the cell
9
Q
what happens in telophase
A
cells split
nucleus reforms
chromatin recondenses
10
Q
True or False: the sister cells are identical to eachother
A
true
11
Q
A
