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ArticlesCopyright © 1983 by American Association for the Advancement of Science
X chromosome-linked transmission and expression of retroviral genomes microinjected into mouse zygotes
A genomic clone consisting of the Moloney leukemia proviral genome with moderately repetitive mouse sequences was microinjected into the pronucleus of a mouse zygote. An animal was derived that carried multiple copies of proviral DNA in a tandem array. No evidence for homologous recombination was obtained. The viral genome was expressed in this animal and was transmitted as a single unit to its offspring. Subsequent breeding studies revealed that the proviral DNA had integrated on an X chromosome.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)