The following is a list of the "G" codes for MeSH

Mesh

Mesh consists of semi-permeable barrier made of connected strands of metal, fiber, or other flexible/ductile material. Mesh is similar to web or net in that it has many attached or woven strands.-Types of mesh:...

. It is a product of the United States National Library of Medicine

United States National Library of Medicine

The United States National Library of Medicine , operated by the United States federal government, is the world's largest medical library. Located in Bethesda, Maryland, the NLM is a division of the National Institutes of Health...

.

Source for content is here. (File "2006 MeSH Trees".)

--- breeding

Breeding

Breeding is the reproduction, that is, producing of offspring, usually animals or plants:* Breeding in the wild, the natural process of reproduction in the animal kingdom* Animal husbandry, through selected specimens such as dogs, horses, and rabbits...

--- hybridization, genetic --- inbreeding

Inbreeding

Inbreeding is the reproduction from the mating of two genetically related parents. Inbreeding results in increased homozygosity, which can increase the chances of offspring being affected by recessive or deleterious traits. This generally leads to a decreased fitness of a population, which is...

 --- consanguinity

Consanguinity

Consanguinity refers to the property of being from the same kinship as another person. In that respect, consanguinity is the quality of being descended from the same ancestor as another person...

--- cell division

Cell division

Cell division is the process by which a parent cell divides into two or more daughter cells . Cell division is usually a small segment of a larger cell cycle. This type of cell division in eukaryotes is known as mitosis, and leaves the daughter cell capable of dividing again. The corresponding sort...

--- cell nucleus division --- anaphase

Anaphase

Anaphase, from the ancient Greek ἀνά and φάσις , is the stage of mitosis or meiosis when chromosomes move to opposite poles of the cell....

 --- chromosome segregation

Chromosome segregation

Chromosome segregation is a step in cell reproduction or division, where chromosomes pair off with their similar homologous chromosome. In mitosis, a complete copy of each one is made. In meiosis, one chromosome from each pair migrates to opposite ends of the cell and the genes are split to make a...

 --- nondisjunction, genetic --- meiosis

Meiosis

Meiosis is a special type of cell division necessary for sexual reproduction. The cells produced by meiosis are gametes or spores. The animals' gametes are called sperm and egg cells....

 --- meiotic prophase i --- chromosome pairing --- synaptonemal complex

Synaptonemal complex

The synaptonemal complex is a protein structure that forms between homologous chromosomes during meiosis and that is thought to mediate chromosome pairing, synapsis, and recombination . It is now evident that the synaptonemal complex is not required for genetic recombination...

 --- pachytene stage --- metaphase

Metaphase

Metaphase, from the ancient Greek μετά and φάσις , is a stage of mitosis in the eukaryotic cell cycle in which condensed & highly coiled chromosomes, carrying genetic information, align in the middle of the cell before being separated into each of the two daughter cells...

 --- mitosis

Mitosis

Mitosis is the process by which a eukaryotic cell separates the chromosomes in its cell nucleus into two identical sets, in two separate nuclei. It is generally followed immediately by cytokinesis, which divides the nuclei, cytoplasm, organelles and cell membrane into two cells containing roughly...

 --- anaphase

Anaphase

Anaphase, from the ancient Greek ἀνά and φάσις , is the stage of mitosis or meiosis when chromosomes move to opposite poles of the cell....

 --- metaphase

Metaphase

Metaphase, from the ancient Greek μετά and φάσις , is a stage of mitosis in the eukaryotic cell cycle in which condensed & highly coiled chromosomes, carrying genetic information, align in the middle of the cell before being separated into each of the two daughter cells...

 --- prometaphase

Prometaphase

Prometaphase is the phase of mitosis following prophase and preceding metaphase, in eukaryotic somatic cells. In Prometaphase, The nuclear envelope breaks into fragments and disappears. The tiny nucleolus inside the nuclear envolope, also dissolves. Microtubules emerging from the centrosomes at the...

 --- prophase

Prophase

Prophase, from the ancient Greek πρό and φάσις , is a stage of mitosis in which the chromatin condenses into a highly ordered structure called a chromosome in which the chromatin becomes visible. This process, called chromatin condensation, is mediated by the condensin complex...

 --- telophase

Telophase

Telophase from the ancient Greek "τελος" and "φασις" , is a stage in both meiosis and mitosis in a eukaryotic cell. During telophase, the effects of prophase and prometaphase events are reversed. Two daughter nuclei form in the cell. The nuclear envelopes of the daughter cells are formed from the...

 --- prometaphase

Prometaphase

Prometaphase is the phase of mitosis following prophase and preceding metaphase, in eukaryotic somatic cells. In Prometaphase, The nuclear envelope breaks into fragments and disappears. The tiny nucleolus inside the nuclear envolope, also dissolves. Microtubules emerging from the centrosomes at the...

 --- prophase

Prophase

Prophase, from the ancient Greek πρό and φάσις , is a stage of mitosis in which the chromatin condenses into a highly ordered structure called a chromosome in which the chromatin becomes visible. This process, called chromatin condensation, is mediated by the condensin complex...

 --- meiotic prophase i --- chromosome pairing --- synaptonemal complex

Synaptonemal complex

The synaptonemal complex is a protein structure that forms between homologous chromosomes during meiosis and that is thought to mediate chromosome pairing, synapsis, and recombination . It is now evident that the synaptonemal complex is not required for genetic recombination...

 --- pachytene stage --- telophase

Telophase

Telophase from the ancient Greek "τελος" and "φασις" , is a stage in both meiosis and mitosis in a eukaryotic cell. During telophase, the effects of prophase and prometaphase events are reversed. Two daughter nuclei form in the cell. The nuclear envelopes of the daughter cells are formed from the...

--- dna damage

--- chromosome breakage --- dna fragmentation

DNA fragmentation

DNA fragmentation is the separation or breaking of DNA strands into pieces. It can be intentional by laboratory personnel or the cells, or it can be spontaneous.-Intentional:Restriction digest is the intentional laboratory breaking of DNA strands....

--- dna packaging

--- chromatin assembly and disassembly

--- dna replication

DNA replication

DNA replication is a biological process that occurs in all living organisms and copies their DNA; it is the basis for biological inheritance. The process starts with one double-stranded DNA molecule and produces two identical copies of the molecule...

--- dna replication timing --- s phase

S phase

S-phase is the part of the cell cycle in which DNA is replicated, occurring between G1 phase and G2 phase. Precise and accurate DNA replication is necessary to prevent genetic abnormalities which often lead to cell death or disease. Due to the importance, the regulatory pathways that govern this...

--- evolution

Evolution

Evolution is any change across successive generations in the heritable characteristics of biological populations. Evolutionary processes give rise to diversity at every level of biological organisation, including species, individual organisms and molecules such as DNA and proteins.Life on Earth...

--- evolution, molecular --- genetic speciation

--- gene expression

Gene expression

Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product. These products are often proteins, but in non-protein coding genes such as ribosomal RNA , transfer RNA or small nuclear RNA genes, the product is a functional RNA...

--- protein biosynthesis

Protein biosynthesis

Protein biosynthesis is the process in which cells build or manufacture proteins. The term is sometimes used to refer only to protein translation but more often it refers to a multi-step process, beginning with amino acid synthesis and transcription of nuclear DNA into messenger RNA, which is then...

 --- transcription, genetic --- reverse transcription

--- gene expression regulation

--- chromatin assembly and disassembly --- dosage compensation, genetic --- x chromosome inactivation --- down-regulation --- epigenesis, genetic --- epistasis, genetic --- frameshifting, ribosomal --- gene amplification --- gene expression regulation, archaeal --- gene expression regulation, bacterial --- gene expression regulation, developmental --- gene expression regulation, enzymologic --- enzyme induction

Enzyme induction and inhibition

Enzyme induction is a process in which a molecule induces the expression of an enzyme.Enzyme inhibition can refer to* the inhibition of the expression of the enzyme by another molecule...

 --- enzyme repression --- gene expression regulation, fungal --- gene expression regulation, neoplastic --- gene expression regulation, leukemic --- gene expression regulation, plant --- gene expression regulation, viral --- gene silencing

Gene silencing

Gene silencing is a general term describing epigenetic processes of gene regulation. The term gene silencing is generally used to describe the "switching off" of a gene by a mechanism other than genetic modification...

 --- rna interference

RNA interference

RNA interference is a process within living cells that moderates the activity of their genes. Historically, it was known by other names, including co-suppression, post transcriptional gene silencing , and quelling. Only after these apparently unrelated processes were fully understood did it become...

 --- genomic imprinting --- protein modification, translational --- protein processing, post-translational --- protein isoprenylation --- protein splicing

Protein splicing

Protein splicing is an intramolecular reaction of a particular protein in which an internal protein segment is removed from a precursor protein with a ligation of C-terminal and N-terminal external proteins on both sides...

 --- rna processing, post-transcriptional --- rna 3' end processing --- polyadenylation

Polyadenylation

Polyadenylation is the addition of a poly tail to an RNA molecule. The poly tail consists of multiple adenosine monophosphates; in other words, it is a stretch of RNA that has only adenine bases. In eukaryotes, polyadenylation is part of the process that produces mature messenger RNA for translation...

 --- rna editing

RNA editing

The term RNA editing describes those molecular processes in which the information content in an RNA molecule is altered through a chemical change in the base makeup. To date, such changes have been observed in tRNA, rRNA, mRNA and microRNA molecules of eukaryotes but not prokaryotes...

 --- rna splicing

RNA splicing

In molecular biology and genetics, splicing is a modification of an RNA after transcription, in which introns are removed and exons are joined. This is needed for the typical eukaryotic messenger RNA before it can be used to produce a correct protein through translation...

 --- alternative splicing

Alternative splicing

Alternative splicing is a process by which the exons of the RNA produced by transcription of a gene are reconnected in multiple ways during RNA splicing...

 --- trans-splicing

Trans-splicing

Trans-splicing is a special form of RNA processing in eukaryotes where exons from two different primary RNA transcripts are joined end to end and ligated....

 --- trans-activation (genetics) --- up-regulation

--- gene rearrangement

--- gene rearrangement, b-lymphocyte --- gene rearrangement, b-lymphocyte, heavy chain --- immunoglobulin class switching

Immunoglobulin class switching

Immunoglobulin class switching is a biological mechanism that changes a B cell's production of antibody from one class to another, for example, from an isotype called IgM to an isotype called IgG...

 --- gene rearrangement, b-lymphocyte, light chain --- gene rearrangement, t-lymphocyte --- gene rearrangement, alpha-chain t-cell antigen receptor --- gene rearrangement, beta-chain t-cell antigen receptor --- gene rearrangement, delta-chain t-cell antigen receptor --- gene rearrangement, gamma-chain t-cell antigen receptor

--- mutagenesis

Mutagenesis

Mutagenesis is a process by which the genetic information of an organism is changed in a stable manner, resulting in a mutation. It may occur spontaneously in nature, or as a result of exposure to mutagens. It can also be achieved experimentally using laboratory procedures...

--- dna repeat expansion --- trinucleotide repeat expansion

Trinucleotide repeat expansion

Trinucleotide repeat expansion, also known as triplet repeat expansion, is the DNA mutation responsible for causing any type of disorder categorized as a trinucleotide repeat disorder. These are labelled in dynamical genetics as dynamic mutations. Triplet expansion is caused by slippage during DNA...

 --- gene amplification --- gene duplication

Gene duplication

Gene duplication is any duplication of a region of DNA that contains a gene; it may occur as an error in homologous recombination, a retrotransposition event, or duplication of an entire chromosome.The second copy of the gene is often free from selective pressure — that is, mutations of it have no...

 --- inversion, chromosome --- mutagenesis, insertional --- nondisjunction, genetic --- sequence deletion --- chromosome deletion --- gene deletion

Genetic deletion

In genetics, a deletion is a mutation in which a part of a chromosome or a sequence of DNA is missing. Deletion is the loss of genetic material. Any number of nucleotides can be deleted, from a single base to an entire piece of chromosome...

 --- somatic hypermutation, immunoglobulin --- suppression, genetic --- translocation, genetic

--- recombination, genetic

--- conjugation, genetic --- crossing over, genetic --- gene conversion

Gene conversion

Gene conversion is an event in DNA genetic recombination, which occurs at high frequencies during meiotic division but which also occurs in somatic cells. It is a process by which DNA sequence information is transferred from one DNA helix to another DNA helix, whose sequence is altered.It is one...

 --- gene fusion --- oncogene fusion --- gene transfer, horizontal --- sister chromatid exchange

Sister chromatid exchange

Sister chromatid exchange is the exchange of genetic material between two identical sister chromatids.It was first discovered by using the Giemsa staining method on one chromatid belonging to the sister chromatid complex before anaphase in mitosis...

 --- transduction, genetic --- transfection

Transfection

Transfection is the process of deliberately introducing nucleic acids into cells. The term is used notably for non-viral methods in eukaryotic cells...

 --- transformation, bacterial --- transformation, genetic --- transformation, bacterial