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Asexual Reproduction
5
Asexual Reproduction
Review Questions!
1) List the four types of Asexual reproduction.
2) In what type of organisms does budding take place?
3) Explain how spore formation is a type of reproduction.
4) In what type of organisms does binary fission take place?
5) Mushrooms use what type of Asexual reproduction?
6) Draw a picture of the steps an organism would use budding to reproduce.
Binary Fission
Budding
Binary Fission is almost identical to Mitosis, except it ONLY occurs in bacteria.
DNA is copied then split, the cell splits into two with DNA entering both.
Result? Two identical prokaryotic cells.
Let's Ask Bill Nye!
Who uses binary fission to reproduce?
Budding is when a new organism grows from an original organism.
The new organism stays attached as it grows, then breaks off when it's healthy enough.
The new organism is a complete clone of the original.
Types of Asexual Reproduction
Where does Budding Happen?
1) Flatworms.
2) Jellyfish (kinda)
3) Coral
1. Spore Formation
2. Framentation
3. Binary Fission
4. Budding
Spore Formation
Fragmentation
Explain how fragmentation helps an organism reproduce?
What organisms use fragmentation to reproduce?
Explain how spores help an organism reproduce?
What organisms use spore formation to reproduce?
Fragmentation is the reproduction by an organism splitting or breaking into smaller parts to recreate the original organism.
Sponges, Coral, and Worms use fragmentation to reproduce.
Dolly the Sheep
Spore Formation is the production of spores inside an organism. The spores are tiny reproductive organisms that are released. The spores, if they survive, become a new organism.
Fungi like mushrooms use spore formation to reproduce.
Eat Cloned
Animals?
Will There Ever Be Another You?
Why? or Why not?
Cloning
Do you think it is allowed by the FDA for humans to eat a cloned animal?
Do you think it's healthy to eat a cloned animal?
Cloning is creating a genetically identical copy of an original organism.
The result is two identical organisms.
Bacteria and plants have been cloning themselves for years.
Only recently have scientists been able to clone animals.
In 1996, the first animal was successfully cloned. Dolly the sheep.
Image by Tom Mooring