title: Do mammals need P elements?
mesh_terms: D000818:Animals; D004251:DNA Transposable Elements; D005818:Genetic Engineering / Q000379:methods; D051379:Mice / Q000235:genetics; D008845:Microinjections; D009713:Nucleotidyltransferases / Q000378:metabolism; D012190:Retroviridae / Q000235:genetics; D019895:Transposases
chemical_list: D004251:DNA Transposable Elements; D009713:Nucleotidyltransferases; D019895:Transposases