For the evaluation of divergency of rice, following genes have been utilized:sh4 that confers non shattering [31], [32], plant architecture prog1[33] loci, red pericarp rc[34], BADH2 fragrance gene [35], the sd1semidwarfing gene [36], the Pi-ta disease resistance locus [36], the starch biosynthetic gene Wx[36], and the GS3 grain length gene [37]. The gene discussed is DNAJC21; the disease is glycogen storage disease VI.