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Transcript of Cloning
LO: To understand the nature and techniques of cloning and consider the issues concerned with cloning
What are the advantages and disadvantages of cloning?
What is cloning?
Cloning is the process of producing similar populations of genetically identical individuals that occurs in nature when organisms such as bacteria, insects, plants, or animals reproduce asexually.
'To make an identical copy of'
The first cloned animal
1996 - Dolly the sheep
An unfertilised egg was taken from a Scottish blackface ewe and its nucleus (containing the genetic material) was destroyed
A cell was then taken from the mammary gland of another 6 year old Finn Dorset ewe - its nucleus was then planted into the empty Scottish egg
An electric shock was given to the resulting egg shell to make it divide
It developed into an embryo that was put into a host mother sheep.