| Abbreviation | Definition |
|---|---|
| GCO | Genome Component Ontology |
| GCRB | Genetic Counsellor Registration Board |
| GCS | Glycine cleavage system |
| G-CSF | Granulocyte Colony-stimulating Factor |
| GDA | Genetic Data Analysis |
| GDB | Genome Database |
| GDB/OMIM | Genome Database/Online Mendelian Inheritance in Man |
| GDC | Genetically Deficient Cretin |
| GDC | Genomic Data Commons |
| GDCC | Genomic DNA Clean Concentrator |
| GDDB | Genetics of Development and Disease Branch |
| GDE | Genetic Data Environment |
| GDNF | Glial cell line-Derived Neurotraphic Factor |
| GDPW | Genomic and Proteomic Data Warehouse |
| GDR | Genome Database for Rosaceae |
| GDS | Genomic Data Sharing |
| GDSM | Gènes et Dynamique des Systèmes de Mémoire |
| GDSO | Genetic Disorder Support Organization |
| GDU | Gelatin Digesting Units |
| GDU | Genetic Diversity Unit |