1. You are all made of Chrome!
Chromosomes
You are all made of Chrome!

3. Label 1 & 2 of the chromosome
After DNA is copied, strands begin to coil.
Chromosome: tightly compacted and coiled DNA.
Found in the cell’s ____________.
Nucleus
Label 1 & 2 of the chromosome
to the right.
Centromere
Why do chromosomes have different shapes?
Answer below.
Chromatid

4. Cell Cycle
Cell Cycle: the growth of the cell (_________) and subsequent division into 2 identical cells (mitosis and __________)
interphase
cytokinesis
G1 – cell growth (ribosomes,
Mitochondria, etc. double)
S – DNA replicated
G2 – preparation for mitosis
M – Mitosis (nuclear division)
C (not shown) – Cytokinesis
(cellular division)
Which steps make up interphase?
_____ _______ _______
~ 85% of a
cells life is
spent in
Interphase.
Where would
cytokinesis fit in
this chart? G1 S G2

5. mitosis