in situ hybridization analyses of metaphase chromosomes reveal that all the human pregnancy-specific glycoprotein ( psg ) genes are located on the long arm of chromosome 19 ( 19q13.2-13.3 ) , overlapping the region containing the closely-related carcinoembryonic antigen ( cea ) gene subgroup .
C0017968
psg
C0007082
carcinoembryonic antigen