Gene amplification.
D000818:Animals; D002454:Cell Differentiation; D002875:Chromosomes; D004247:DNA / Q000235:genetics; D004261:DNA Replication; D004274:DNA, Recombinant; D004275:DNA, Ribosomal; D004330:Drosophila / Q000235:genetics; D005111:Extrachromosomal Inheritance; D005784:Gene Amplification; D008322:Mammals; D008957:Models, Genetic; D009369:Neoplasms / Q000235:genetics; D009866:Oogenesis; D013768:Tetrahymena / Q000235:genetics
D004274:DNA, Recombinant; D004275:DNA, Ribosomal; D004247:DNA