Some genes were isolated and their structure studied before the recombinant DNA era.
Brown
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DD
Department of Embryology, Carnegie Institution of Washington, Baltimore, MD 21210.
D000818:Animals; D004247:DNA / Q000235:genetics / Q000648:ultrastructure; D004274:DNA, Recombinant; D005784:Gene Amplification; D005796:Genes; D005821:Genetic Techniques / Q000639:trends*
D004274:DNA, Recombinant; D004247:DNA