Polymerase Chain Reaction Restriction Fragment Length Polymorphism PCR Restriction Fragment Length Polymorphism - Polymerase Chain Reaction Henrik Berg Rasmussen (April 4th 2012). Restriction Fragment Length Polymorphism Analysis of PCR-Amplified Fragments (PCR-RFLP) and Gel Electrophoresis - Valuable Tool for Genotyping and Genetic Fingerprinting, Gel Electrophoresis Sameh Magdeldin, IntechOpen, DOI: 10.5772/37724. Available from: https://www.intechopen.com/books/gel-electrophoresis-principles-and-basics/restriction-fragment-length-polymorphism-analysis-of-pcr-amplified-fragments-pcr-rflp-and-related-te Few but definitions not freely available PCR-RFLP PCR-restriction fragment length polymorphism (RFLP)-based analysis, also known as cleaved amplified polymorphic sequence (CAPS), is a popular technique for genetic analysis. It has been applied for the detection of intraspecies as well as interspecies variation. There exist several techniques that are related with PCR-RFLP and also involve gel electrophoresis including techniques for DNA fingerprinting and expression profiling. Request inclusion into relevant ontology.