Synchronization of Meristem Division Induction and DNA Fiber Preparation of Wheat Root Recent Advances in Brassica Genome Research by Fluorescence in situ Hybridization(FISH) Location of 45S and 5S rDNA on Barley Chromosomes and FISH Analysis for 5S rDNA on Extended DNA Fibers Recent Advances in Brassica Genome Research by Fluorescence in situ Hybridization(FISH) Progresses and Applications of Fluorescence in Situ Hybridization An Efficient Method of Cotton DNA Fibers Preparation for FISH