chromosomal in situ hybridization using a 3.0-kb c-ki-ras-2 probe showed a significant accumulation of grains on the proximal portion of the inserted chromosomal material ( 12p12.1 ) , as well as on the normal chromosome # 12 with a peak at 12p11p12 .
C0008633
chromosomal
C1520471
12p12.1