This book contains Basics of cell and cell mechanisms, chemical foundations of cell and cell architecture, Membrane transport system and cellular communications,The cell cycle &its role; role of cdk's & cyclins cell aging & cell death, Application of cellular manipulation protoplast isolation culture and fusion, somaclonal variation, in-vitro mutant selection for biotic stresses,Genome mapping - conventional approaches and molecular based genome mapping and Integration of classical linkage maps and molecular maps