comparison of the sequences between the v-onc and c-onc genes reveals : ( i ) the c-src , c-abl , c-mos , c-fos , c-ras , c-myb , c-myc , and c-sis genes contain coding regions that are highly conserved in the respective v-onc genes with a small number of base changes .
C0007634
c-onc
C0079941
coding regions