1. Purposes of Cell Division

2. Purposes of in Humans Cel l D i v s o n Growth & Repair Reproduction
fold
Purposes of in Humans
Cel l D i v s o n
Growth
& Repair
Reproduction
cut

3. Purpose: Cell division for reproduction creates offspring with traits from both mother and father.

4. Why it’s important: If offspring are created, the species continues
Why it’s important: If offspring are created, the species continues. If not, the species becomes extinct.
makes
Called: MEIOSIS

5. MOM DAD egg sperm offspring (reproduction) ½ chromosomes from Mom
½ chromosomes from Dad
offspring
(reproduction)

6. Purpose: Cell division for growth and repair creates exact copies of a cell.

7. Why it’s important: Makes it possible for a living thing to grow; creates new cells to replace damaged or dead cells.
Called: MITOSIS

8. Chromosomes make copies
Skin Cell
Chromosomes make copies
Half go to each new cell
Skin Cell
Skin Cell
(growth & repair)
exact copies

9. Quick Quiz:
Meiosis makes _____.
The purpose of meiosis is ______________.
Meiosis create egg and sperm cells with _____ the original chromosomes.
Egg and sperm combine to create an __________ with unique traits.
Mitosis can be compared to a ______________.
Mitosis makes an exact ______ of the original cell.
The purpose of mitosis is ________ and _______ of organisms.

10. Quick Quiz:
Meiosis makes _____.
The purpose of meiosis is ______________.
Meiosis create egg and sperm cells with _____ the original chromosomes.
Egg and sperm combine to create an __________ with unique traits.
Mitosis can be compared to a ______________.
Mitosis makes an exact ______ of the original cell.
The purpose of mitosis is ________ and _______ of organisms. me
reproduction
half
offspring
copy machine
copy
growth
repair