How do little elephants grow up to be BIG
elephants?
Why do cheese cubes melt at different
rates?
– The division of
the cell nucleus
into 2 equal parts
-Produces 2
identical daughter
cells from 1 single
parent cell
-10%
Mitosis
X
2x
XX
Meiosis
X
2x
1/2x 1/2x 1/2x 1/2 x
Meiosis
Sexual cellular reproduction in
which the number of chromosomes
are reduced in half. This allows for
variation.
Mitosis
Asexual reproduction in which the
cell divides in half producing a
genetic copy of the original cell.
Crossing Over of Genetic
Information
Yes
No
Occurs in
Sex Cells – egg and sperm
All cells except sex cells and red
blood cells.
Creates
Sex cells only: Female egg cells or
Male sperm cells
Makes everything other than sex
cells and red blood cells
Type of Reproduction
Genetically
Number of Divisions
Sexual
Different
2
Asexual
Identical
1
Definition
Meiosis
Mitosis
Definition
Sexual cellular
reproduction in which the
number of chromosomes
are reduced in half. This
allows for variation.
Asexual reproduction in
which the cell divides in
half producing a genetic
copy of the original cell.
Crossing Over of Genetic
Information
Yes
No
Occurs in
Sex Cells – egg and sperm
All cells except sex cells
and red blood cells.
Creates
Sex cells only: Female egg
cells or Male sperm cells
Makes everything other
than sex cells and red
blood cells
Type of Reproduction
Sexual
Asexual
Genetically
Different
Identical
Number of Divisions
2
1
Number of daughter cells
4
2