5 Diagnostic preparations for medical purposes; diagnostic preparations for veterinary purposes; diagnostic preparations for humans for medical purposes; preparations for medical and veterinary purposes, in particular diagnostics, for marking, separating, isolating, purifying, amplifying, cloning, sequencing and/or for the analysis of biopolymers, in particular nucleic acids, in particular reagents, enzymes and buffer solutions for nucleic acid amplification and cloning; chemical, biochemical and biotechnological preparations for medical and veterinary purposes, in particular reagents, enzymes and buffer solutions for marking, separating, isolating, purifying, amplifying, cloning, sequencing and/or for the analysis of biopolymers, in particular nucleic acids, in particular reagents, enzymes and buffer solutions for nucleic acid amplification and cloning; kits containing preparations for medical and veterinary diagnostic purposes, in particular for marking, separating, isolating, purifying, amplifying, cloning, sequencing and/or for the analysis of biopolymers, in particular nucleic acids, in particular reagents, enzymes and buffer solutions for nucleic acid amplification and cloning