title: Selfish DNA in "petite" mutants.
mesh_terms: D001483:Base Sequence; D005075:Biological Evolution; D004272:DNA, Mitochondrial / Q000235:genetics*; D005784:Gene Amplification; D008970:Molecular Weight; D010641:Phenotype; D011995:Recombination, Genetic; D012441:Saccharomyces cerevisiae / Q000235:genetics*; D012641:Selection, Genetic
chemical_list: D004272:DNA, Mitochondrial