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Asexual vs. Sexual Reproduction

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Presentation on theme: "Asexual vs. Sexual Reproduction"— Presentation transcript:

1 Asexual vs. Sexual Reproduction

2 Binary Fission Asexual
Cell splits and replicated DNA goes with each part Prokaryotes, Bacteria + Fast and easy - Everybody has the same DNA

3 Budding Asexual Offspring grows out of parent Yeast, hydras
+ Fast, somewhat easy - Same DNA

4 Fragmentation/ regeneration
Asexual Body of parent breaks and produces offspring Fungi, moss, sea stars, planarian + Easy - Parent broken, same DNA Fragmentation or Clonal Fragmentation is a form of asexual reproduction or cloning where an organism is split into fragments. The splitting may or may not be intentional. Each of these fragments develop into mature, fully grown individuals that are a clone of the original organism. If the organism is split any further the process is repeated. Fragmentation is seen in many organisms such as molds, some annelid worms, and starfish. Binary fission of single-celled organisms such bacteria, protozoa and many algae is a type of fragmentation. Molds, yeast, and mushrooms, all of which are part of the Fungi kingdom, produce tiny filaments called hyphae. These hyphae obtain food and nutrients from the body of other organisms to grow and fertilize. Then a piece of hyphae breaks off and grows into a new individual and the cycle continues. Fragmentation is observed in nonvascular plants as well, liverworts and mosses.

5 Fragmentation/ regeneration
Fragmentation or Clonal Fragmentation is a form of asexual reproduction or cloning where an organism is split into fragments. The splitting may or may not be intentional. Each of these fragments develop into mature, fully grown individuals that are a clone of the original organism. If the organism is split any further the process is repeated. Fragmentation is seen in many organisms such as molds, some annelid worms, and starfish. Binary fission of single-celled organisms such bacteria, protozoa and many algae is a type of fragmentation. Molds, yeast, and mushrooms, all of which are part of the Fungi kingdom, produce tiny filaments called hyphae. These hyphae obtain food and nutrients from the body of other organisms to grow and fertilize. Then a piece of hyphae breaks off and grows into a new individual and the cycle continues. Fragmentation is observed in nonvascular plants as well, liverworts and mosses. Moss

6 Bacterial Conjugation
“Sexual” A bacteria shoots out a tube and sends a piece of its DNA to another bacteria Bacteria + Mixes DNA - “Parent” loses a little piece of DNA

7 Pollination Sexual Pollen is delivered to female part of plant
Flowering plants + Plants don’t have to move, mixes DNA - Need external source for pollination to take place; wind, bee, bat, butterfly etc.

8 Asexual reproduction Mitosis Asexual reproduction = one parent.
The primary form of reproduction for single-celled organisms such as archaea, bacteria, and protists. Many plants and fungi reproduce mostly asexually as well.

9 Sexual Reproduction Sexual DNA from 2 individuals merge to form one
Cells created by MEIOSIS + Diverse DNA


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