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Top: An ancestral gene duplication produces two paralogs (histone H1.1 and 1.2). A speciation event produces orthologs in the two daughter species (human and chimpanzee). Bottom: in a separate species , a gene has a similar function (histone-like nucleoid-structuring protein) but has a separate evolutionary origin and so is an analog.
EVA1C (Eva-1 Homolog C) is a transmembrane protein in humans (Homo sapiens) that is encoded by the EVA1C gene on chromosome 21. The EVA1C protein is thought to be involved in herapin binding activity. In addition, the gene is thought to be associated with diseases such as X-Linked Intellectual Disability-Short Stature-Overweight Syndrome.
English: Top: An ancestral gene duplicates to produce two paralogs (Genes A and B). A speciation event produces orthologs in the two daughter species. Bottom: in a separate species, an unrelated gene has a similar function (Gene C) but has a separate evolutionary origin and so is an analog.
A speciation event produces orthologs in the two daughter species (human and chimpanzee). Bottom: in a separate species ( E. coli ), an gene has a similar function ( histone-like nucleoid-structuring protein ) but has a separate evolutionary origin and so is an analog .
Inparanoid is an algorithm that finds orthologous genes and paralogous genes that arose—most likely by duplication—after some speciation event. Such protein-coding genes are called in-paralogs, as opposed to out-paralogs (which arose prior to a species split).
The term "ortholog" was coined in 1970 by the molecular evolutionist Walter Fitch. [41] Homologous sequences are paralogous if they were created by a duplication event within the genome. For gene duplication events, if a gene in an organism is duplicated, the two copies are paralogous. They can shape the structure of whole genomes and thus ...
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The Encyclopædia Britannica gives the following description of synteny, using the modern definition: [2] Genomic sequencing and mapping have enabled comparison of the general structures of genomes of many different species.