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Transcript
CLONING
Adult cell cloning
The nucleus is removed from an unfertilized egg cell
This is replaced with the nucleus of an adult cell (e.g. skin cell)
An electric shock is used to start the cell dividing to form embryo
cells
These embryo cells contain the same genetic information as the
adult skin cell
When the embryo has developed into a ball of cells, it is inserted
into the womb of an adult female to continue its development
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Advantages:
This could be used to clone animals with desired characteristics,
e.g. farm animals
It could possibly be used to save rare breeds from extinction
Disadvantages
If this is used in farming, it produces lots of genetically identical
individuals;
If there is a change in the environment, they may all struggle to
survive