Transcript Asexual Reproduction What is Asexual Reproduction?

Asexual Reproduction
What is Asexual Reproduction?
 Involves only ONE parent
 All offspring are genetically identical to each other
and the parent!
 Can produce large numbers of offspring very rapidly!
Binary Fission…
basically mitosis!
Simplest form of asexual reproduction
Parent divides it’s nucleus and
cytoplasm into two equal parts and
splits into two cells that are equal in
size
No parent cell remains
Occurs in unicellular organisms like
amoebas, paramecium, bacteria, etc.
Binary Fission
Parent divides
into two unequal
parts
New individuals
grow out of the
body of the parent
Parent remains
and parent and
offspring are not
the same size
Occurs in yeast,
hydra, sponges,
and some worms
Budding
Budding in Sea Sponges
Spongebob Budding
Spore Formation
 Small, sometimes microscopic, cells called spores are




formed (usually in large amounts)
Spores contain cytoplasm and genetic information
Surrounded by a tough outer coat that protects them
from unfavorable environmental conditions
When conditions are good the spore develops into a
new organism
Ex: bacteria, yeast, molds, mushrooms, ferns
Spore Formation
Ability of an
organism to regrow lost body
parts
Involves the
development of
a new organism
from a part of
the original
organism
Ex: hydra,
planaria, sea
stars,
earthworms
Regeneration
Regeneration
Asexual
reproduction in
plants
Occurs when
parts of the
parent plant are
used to grow a
completely new
plant
Occurs both
naturally and
artificially
Vegetative
Propagation