title: A staple duplication as an intermediate in the selection of deletion mutants of phage T4.
mesh_terms: D000483:Alleles; D002869:Chromosome Aberrations; D002874:Chromosome Mapping; D003090:Coliphages; D004267:DNA Viruses; D004279:DNA, Viral; D004171:Diploidy; D008040:Genetic Linkage; D006720:Homozygote; D009154:Mutation; D011995:Recombination, Genetic; D012641:Selection, Genetic
chemical_list: D004279:DNA, Viral