LM of injected egg cell in sheep cloning

LM of injected egg cell in sheep cloning

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This image is part of the feature 50 Years Of Genetics Research
This image is part of the feature Cloned Sheep


Caption: Cloning technique (third of 3 pictures). Light micrograph of a sheep egg being injected with an embryonic cell during sheep cloning. The egg (at centre) has had its DNA genetic material removed. At left a pipette holds the egg; at right a microneedle injects an embryonic sheep cell into it. Photos G285/017 & G285/018 show previous stages in the technique. The implanted egg is then stimulated to grow into a lamb by a spark of electricity, nourished in the womb of a surrogate sheep. In 1996, this research at the Roslin Institute in Edinburgh, Scotland, produced the world's first cloned (genetically identical) sheep.

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Keywords: animal, bioengineering, biotechnology, clone, cloned, cloning, egg, engineered, engineering, genetic, genetically, genetics, light micrograph, procedure, research, sheep, transgenic, welsh mountain sheep

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