| LAG | labiogingival; leukocyte antigen group; linguo-axiogingival; lymphangiogram; lymphocyte activation g... |
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| MCC | mean corpuscular hemoglobin concentration; medial cell column; Medical Council of Canada; metacerebr... |
| MSSG | multiple sclerosis susceptibility gene |
| PAG | periaqueductal gray [matter]; polyacrylamide gel; pregnancy-associated globulin; proliferation-assoc... |
| PAGA | proliferation-associated gene A |
| pol gene | <molecular biology> Genes coding for DNA polymerases of which there are three in E. Coli, polA, polB and polC coding for polymerases I, II and III respectively. Pol genes in oncogenic retroviruses code for reverse transcriptase. (18 Nov 1997) |
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| mutant gene | A gene that has been changed from an ancestral type, not necessarily in the current generation. See: mutant, mutation. (05 Mar 2000) |
| polyphenic gene | A gene that has multiple, apparently unrelated, phenotypic manifestations. Synonym: polyphenic gene. (05 Mar 2000) |
| cytoplasmic gene | <molecular biology> A gene which occurs outside the nucleus of an eukaryote or outside the regular chromosomes of a bacteria. (09 Oct 1997) |
| heat-shock gene | <molecular biology> A set of genes present in most animals which are transcribed suddenly, quickly, and with coordination when the animal is exposed to certain types of stress such as a sudden temperature increase. (09 Oct 1997) |
| product, gene | The RNA or protein that results from the expression of a gene. The amount of gene product is a measure of the degree of gene activity. (12 Dec 1998) |
| hemizygous gene | <genetics> Any gene which is present as only one copy in a diploid genome, when most other genes in the genome are present as two copies. The genes on the sex chromosomes of members of the heterogametic sex of a species are all hemizygous genes (for example: in humans, males have hemizygous genes on their X and Y chromosomes because they do not have two copies of either of those chromosomes). (13 Nov 1997) |
| SCG10 gene | A neural specific gene that encodes a growth associated protein expressed early in the development of neuronal derivatives of the neural crest. The 22 kD intracellular protein is associated with the membranous organelles that accumulate in growth cones. (18 Nov 1997) |
| H gene | In laboratory animals, a gene which can elicit an immune response and thereby cause rejection of a homograft when tissue is transplanted from one individual to another; in humans, histocompatibility gene's control HLA antigens. Synonym: H gene. (05 Mar 2000) |
| X-linked gene | A gene located on an X chromosome. (05 Mar 2000) |
| histocompatibility gene | In laboratory animals, a gene which can elicit an immune response and thereby cause rejection of a homograft when tissue is transplanted from one individual to another; in humans, histocompatibility gene's control HLA antigens. Synonym: H gene. (05 Mar 2000) |
| histone gene | A histone gene is any gene which codes for histone proteins. (Histones help compact DNA so that it will fit into an eukaryotic cells nucleus). (09 Oct 1997) |
| holandric gene | A gene located on a Y chromosome. Synonym: holandric gene. (05 Mar 2000) |
| segmentation gene | <molecular biology> Genes required for the establishment of segmentation in the embryo. In Drosophila about 20 such genes are required. A development pattern of the embryo of the fruit fly Drosophila where the embryo looks like a stack of discs. Each disc is a segment, and each segment consists of two compartments (an anterior and posterior). Various parts of the adult fruit fly (wings, legs, eyes, etc.) arise from specific segments. (09 Oct 1997) |
| segment polarity gene | <molecular biology> A segmentation gene, responsible for specifying anterior posterior polarity within individual embryonic segments. In Drosophila, there are at least 10 such genes, for example gooseberry. (18 Nov 1997) |