Cloning of embryos.

  title={Cloning of embryos.},
  author={Randall S. Prather and Neal L. First},
  journal={Journal of reproduction and fertility. Supplement},
Nuclear transfer for the study of differentiation in amphibians has been used since the 1950s, but not until recently have the same procedures been applied successfully to some mammals. Nuclear transfer, as developed for the amphibian, is successful in sheep, cattle, rabbit, and pig, but not mouse embryos. This fact is discussed in relation to the species-specific timing of the activation of the zygotic genome. Nuclear transfer to an oocyte presumably results in a genomic reprogramming of the… CONTINUE READING

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