the 15:12 chromosome translocations found in most murine plasmacytomas involve the cellular gene ( c-myc ) homologous to the oncogene ( v-myc ) of avian retrovirus mc29 , translocation links the c-myc gene of chromosome 15 to the immunoglobulin heavy ( h ) chain locus of chromosome 12 , often within the switch recombination ( s ) region 5 ' to the alpha constant region ( c alpha ) gene .
C0007634
cellular
C1708726
locus