Biology / Unit 7 Bio 1541 short lesson, about 20 seconds
Reproductive Cloning and Somatic Cell Nuclear Transfer
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The idea
Reproductive cloning produces a genetically matched organism using somatic cell nuclear transfer: transferring a donor's diploid nucleus into an enucleated egg, a technique also usable therapeutically.
In practice
Dolly the sheep, born in 1996, developed from a donor nucleus transferred into an enucleated egg and implanted in a surrogate.
Where people slip
Nuclear transfer supplies the donor's nuclear DNA; the egg's cytoplasm still shapes early development.
Your place on the trail
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Builds on
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