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First Demonstration of artifical embryo twinning
Driesch shows that cells contain genetic programming to re-produce -
First artifical twinning in a vertebrate
Hans Spemann discovers cells from a embryo in a vertebrate can grow into an entire organism. -
The cell nucleus controls embryonic development
Hans Spemann used the same technique to demonstrate every cell has instructions to recreate. -
First successful nuclear transfer
Briggs and King transfer a nucleus into another egg. -
Nuclear transfer from a differentiated cell
Gurdon uses the transfer of the nucleus in a tissue to clone a tadpole. -
First mammalian embryo created by nuclear transfer
Bromhall used a nucleus in a mammal to successfully grow an embryo. -
First mammal created by nuclear transfer
Willadsen uses the technique of nuclear transfer to create a mammal (sheep). -
Nuclear transfer from embryonic cell
Prather, Eyestone, and First clone a cow with nuclear transfer from a embryo's cell. -
Nuclear transfer from laboratory cells
Prather, Eyestone, and First clone a cow with nuclear transfer from a embryo's cell. -
Dolly: First mammal created by somatic cell nuclear transfer
Wilmut and Campbell clone a sheep with an adult cell tissue. -
First primate created by embryonic cell nuclear transfer
Meng, Ely, Stouffer, and Wolf create a primate using nuclear cell transfer. -
Nuclear transfer from genetically engineered laboratory cells
A Sheep is made from genetically engineered lab cells. -
Period: to
More mammals cloned by somatic cell nuclear transfer
More animals are cloned and first male clone is made. -
Endangered animals cloned by somatic cell nuclear transfer
Endangered animals (Gaur and Mouflon) are cloned. -
Primate embryonic stem cells created by somatic cell nuclear transfer
A primate was cloned using somatic cells. -
Human embryonic stem cells created from somatic cell transfer
A human's base stem cells may have been made using somatic cell transfer but there is still controversy.