The specific chromosome and fusion gene are regarded as marker of leukemia, and helpful in leukemia diagnosis, evaluating prognosis, monitoring of treatment and minima residual leukemia.

Several powdery mildew resistance genes derived from wild emmer accessions have been mapped on the short and long arms of chromosome 2B by SSR marker.

Objective To detect the chromosomal origin of supernumerary marker chromosome(SMC) and derivative chromosome which was obliterate in origin.