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Cytokinesis
It is the division of cytoplasm resulting in the
formation of 2 daughter cells. It starts when
telophase is in progress.
Cytokinesis in animal cell: Here, a
cleavage furrow is appeared in the plasma
membrane. It gradually deepens and joins in
the centre dividing the cytoplasm into two.
Cytokinesis in plant cell: It is different
from the cytokinesis in animal cells due to the
presence of cell wall.
In plant cells, the vesicles formed from Golgi
bodies accumulate at the equator. It grows
outward and meets the lateral walls. They fuse together to form the cell-plate. It
separates the 2 daughter cells. Later, the cell plate becomes the middle lamella.
During cytokinesis, organelles like mitochondria and plastids get distributed between
the daughter cells.
In some organisms karyokinesis is not followed by cytokinesis. As a result, multinucleate
condition (syncytium) arises. E.g. liquid endosperm in coconut.
