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Mitosis - Coggle Diagram
Mitosis
produces 2
identical
daughter cells
same number +
type of chromosomes
as parent cell - diploid
Purpose
growth + cell
replacement
1. Prophase
chromatin condenses so
chromosomes visible
ANIMAL
cells
centrioles divide + move
to opposite poles of cell
protein microtubules
form spindle fibres
PLANT
cells
no centrioles so
spindle fibres form
independently
chromosomes appear as
two identical chromatids
held together at centromere
nucleolus
disappears
nuclear envelope
disintegrates
2. Metaphase
chromosomes move to
the equator of cell
(1 chromatid from each pair
lies on each side of equator)
spindle becomes
attached to
the centromere
3. Anaphase
centromere
divides in two
spindle fibres contract
to pull chromatids to
opposite poles
(centromere first)
now called
CHROMOSOMES
4. Telophase
chromosomes reach
respective poles
nuclear envelope
is produced
chromosomes uncoil
& lengthen to become
invisible again
nucleolus reforms
spindle
disintegrates
5. Cytokinesis
ANIMAL
cell
2 daughter cell membranes
invaginates to form
CLEAVAGE
FURROW
PLANT
cells
CELL PLATE laid down along
centre of cell, covered with
cellulose to form separate wall
Golgi apparatus has large
role play in synthesising
materials needed for new
cell wall