Download Purposes of Cell Division

Planner
Sep 19
T: Cell Division
D: Recognize and Identify the 2
purposes of cell division
Date
Table of Contents
Description
DO NOW page 52- How
do little elephants skin
allow them to grow up to
be BIG elephants?
page #
9/11 Traits Lab
42-43
9/13 Genetics Discussion 44-45
9/16 Cell Parts
46-47
9/17 Yarn Model
9/18 Microscopes
9/19 Cell Division
48-49
50-51
52-53
Get Out…
• Agenda, folder, and notebook
Agenda
1. Do Now
2. Make Cell Division Foldable
3. Quick Quiz
Planner
Sep 20
T: Cell Division
D: Recognize and Identify the 2
purposes of cell division
Date
Table of Contents
Description
page #
9/11 Traits Lab
42-43
9/13 Genetics Discussion 44-45
9/16 Cell Parts
46-47
9/17
9/18
9/19
9/20
Yarn Model
Microscopes
Cell Division
Fast Growth
DO NOW page 54- Alice
places a slide on her
microscope but when
she looks into it, she
can’t see anything.
Suggest one reason
why.
48-49
50-51
52-53
54-55
Agenda
1. Do Now
2. Make Cell Division Foldable
3. Quick Quiz
4. How do babies grow so fast
Get Out…
• Agenda, folder, and notebook
Cell with
chromosomes
inside the nucleus
Genes are found on the
chromosomes.
Genes are
always in
pairs. Each
chromosome
has many
gene pairs.
Chromosomes are made DNA.
A gene is a section of that DNA .
Purposes of
Cell Division
fold
Purposes of
C
e
l
l
D
i
v
i
s
i
o
n
cut
in Humans
Purpose: Cell division for
reproduction creates
offspring with traits from
both mother and father.
Why it’s important: If
offspring are created, the
species continues. If not,
the species becomes
extinct.
makes
Called:
MEIOSIS
MOM
egg
DAD
egg
½ chromosomes from Mom
offspring
sperm
sperm
½ chromosomes from Dad
(reproduction)
Purpose: Cell division for
growth and repair creates
exact copies of a cell.
Why it’s important: Makes it
possible for a living thing to
grow; creates new cells to
replace damaged or dead
cells.
Called:
MITOSIS
Skin Cell
Chromosomes make
copies
Half go to each new cell
Skin Cell
Skin Cell
exact copies (growth & repair)
What are genes?
Exit Ticket:
Quick Quiz
Quick Quiz:
1. Meiosis makes _____.
2. The purpose of meiosis is ______________.
3. Meiosis create egg and sperm cells with _____ the
original chromosomes.
4. Egg and sperm combine to create an __________
with unique traits.
5. Mitosis can be compared to a ______________.
6. Mitosis makes an exact ______ of the original cell.
7. The purpose of mitosis is ________ and _______
of organisms.