The traditional names of the rowan are those applied to the species Sorbus aucuparia, Sorbus torminalis (wild service-tree), and Sorbus domestica (true service-tree). The Latin name sorbus was borrowed into Old English as syrfe. The name service-tree for Sorbus domestica is derived from that name by folk etymology.
Restriction fragment length polymorphism. In molecular biology, restriction fragment length polymorphism, or RFLP, is a technique that exploits variations in homologous DNA sequences. It refers to a difference between samples of homologous DNA molecules from differing locations of restriction enzyme sites, and to a related laboratory technique by which these segments can be illustrated.
Today, researchers are increasingly turning to AFLP-PCR in their DNA fingerprinting efforts. AFLP-PCR uses many of the same steps as RFLP, SSR, and RAPD, including restriction enzyme digestion of genomic DNA, PCR, and electrophoretic separation of DNA fragments.f course, AFLP can also be used to study organisms whose genome has been sequenced. For example, AFLP has been used to study human DNA samples in criminal investigations and in paternity tests (Brinkman, 1991).