نبذه عن الكتاب: Learning Outcomes After reading this chapter, the readers should be able to understand the following:  What are molecular markers?  The basic terminology used with reference to markers like – polymorphism, dominant/codominant markers, indels, SNPs etc.  Different types of marker systems.  Hybridization based and PCR based markers.  The principle, methodology and relative advantages and disadvantages of five most commonly used type of molecular markers – RFLP, RAPD, AFLP, SSR and SNP.  Application of molecular markers, especially in context of plant breeding.