A Repetitive DNA Sequence Showing the Characteristic of Genomic DNA Differentiation in Oryza Cytological Identification on the Interspecific Hybrid of Zea mays and Zea diploperennis Genetic Relationship and Genomic in situ Hybridization Analysis of the Three Genomes in Triticum aestivum NUCLEAR GENOMIC HOMOLOGOUS SEQUENCE OF CHLOROPLAST psbA GENE IN RICE (ORYZA SATIVA L.) CLONING AND SEQUENCE ANALYSIS OF REPETITIVE DNA FRAGMENT FROM RICE ( ORYZA SATIVA L. ) A Proposed Role of Repeated DNA in Genome Studies on the Rice Repetitive DNA Sequence pRRD3 DETERMINATION OF COPY NUMBER OF REPETITIVE DNA SEQUENCE pRRD9 IN GENUS ORYZA Promoter Function of a Rice Repetitive DNA Sequence RRD3 in Transgenic Plants Relationships among Genome A, B, and C Revealed by FISH and CAPS Heterozygosity of Knob-Associated Tandem Repeats and Knob Instability in Mitotic Chromosomes of Zea (Zea mays L. and Z. diploperennis Iltis Doebley) Distribution of Repetitive DNA Sequences Derived from Rice Genome in Genus Oryza and Family Poaceae