Aulani "GE" Presentation 4 Animal Cloning Dolly Aulanni’am Biochemistry Laboratory Chemistry Department Brawijaya University

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Presentation transcript:

Aulani "GE" Presentation 4 Animal Cloning Dolly Aulanni’am Biochemistry Laboratory Chemistry Department Brawijaya University

Aulani "GE" Presentation 4 Cloning Definition: The process of making identical genomic copies of an original animal. Encyclopedia Britannica: An individual organism that was grown from a single body cell of its parent and that is genetically identical to it.

Aulani "GE" Presentation 4 Brief History of Cloning  1902: Walter Sutton proves chromosomes hold genetic information.  1902: German scientist Hans Spemann divides a salamander embryo.  Spemann proposes a “fantastical experiment”

Aulani "GE" Presentation 4 History of Cloning  1952: Briggs and King clone tadpoles.  1953: Watson and Crick find the structure of DNA.  1962: John Gurdon clones frogs from differentiated cells.  1963: J.B.S. Haldane coins the term ‘clone’.

Aulani "GE" Presentation 4  1977: Karl Illmensee creates mice with only one parent,  1984: Twinning- create genetic copies from embryonic cells.  1996: First animal cloned from adult cells is born.

Aulani "GE" Presentation 4 The Cloning Process  1978: Splitting embryos  1986: Embryo Cloning  1994: Embryonic cell line cloning  1996: Adult or Somatic cell cloning

Aulani "GE" Presentation 4 Creating Dolly

Aulani "GE" Presentation 4 Stage 1 Cell collected from a sheep’s udder.

Aulani "GE" Presentation 4 Stage 2 Nucleus is removed from unfertilized egg of second sheep.

Aulani "GE" Presentation 4 Stage 3 Udder cell is inserted into egg with no nucleus.

Aulani "GE" Presentation 4 Stage 4 Insertion is successful.

Aulani "GE" Presentation 4 Stage 5 Electrical charge is supplied.

Aulani "GE" Presentation 4 Stage 6 Cells begin to divide.

Aulani "GE" Presentation 4 Stages 7 & 8

Aulani "GE" Presentation 4 Cloning Facts  Plant cloning has been around for thousands of years  Farm animal cloning has been around for over 20 years  Cloning is a form of asexual reproduction  Clones aren’t exact copies  Cloned animals are safe to raise and eat

Aulani "GE" Presentation 4  Genetic make-up is altered  Mutants are created  Clones are unhealthy  Will eventually lead to cloning humans  Possible to recreate people such as Hitler

Aulani "GE" Presentation 4  Cloning has been around for a long time  Cloned products are safe  Useful in medical and pharmacological fields  Will not replace traditional animal agriculture  Need to better educate public  Close regulation

Aulani "GE" Presentation 4