title: Heterozygotes of three-factor crosses of bacteriophage T4.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages; D003433:Crosses, Genetic; D004247:DNA; D004277:DNA, Single-Stranded; D004926:Escherichia coli; D008040:Genetic Linkage; D005827:Genetics, Microbial; D005838:Genotype; D006579:Heterozygote; D009154:Mutation
chemical_list: D004277:DNA, Single-Stranded; D004247:DNA