By
Katrin Hinrichs, DVM, PhD, DACT, School of Veterinary Medicine, University of Pennsylvania
The basic concept of cloning via nuclear transfer is that the nucleus of a cell, taken from a tissue sample of a donor individual, is transferred to an enucleated oocyte, and then the oocyte is stimulated to develop into an embryo. The embryo thus produced has the same genotype as the original donor individual.
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