This is a variation of current animal cloning technique. Gˆhbor Vajta at the Danish Institute of Agricultural Sciences in Tjele together with Ian Lewis, programme leader for the Cooperative Research Centre for Innovative Dairy Products in Australia split the cow egg cell in half under a microscope, let the two halves seal up, and use dyes to identify the half with the nucleus. That half is then removed, leaving empty cytoplasts. To create a cloned embryo, a cell from an adult animal is fused first with one cytoplast, then another, by briefly zapping them with an electric current. Details of the method will soon be published.
The news story can be found in New Scientist, Aug 14, 2002.
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