AskDefine | Define autosomal

Dictionary Definition

autosomal adj : of or relating to an autosome; "autosomal gene"

User Contributed Dictionary



  1. of or pertaining to autosomes

Extensive Definition

An autosome is a non-sex chromosome. It is an ordinarily paired type of chromosome that is the same in both sexes of a species. For example, in humans, there are 22 pairs of autosomes. The X and Y chromosomes are not autosomal. Non-autosomal chromosomes are usually referred to as sex chromosomes, allosomes or heterosomes.
Like other chromosomes, autosomes display STR and SNP mutations which can be observed and have been used in genetic testings for ancestry, ethnicity, race and genealogical purposes. Private testing companies which do autosomal STR tests include FamilyTreeDNA and DNAtribes. Whereas companies testing autosomal SNPs include AncestryByDNA and deCODEme.


External links

autosomal in Danish: Autosom
autosomal in German: Autosom
autosomal in Estonian: Autosoom
autosomal in Spanish: Autosoma
autosomal in Hebrew: אוטוזומי
autosomal in Italian: Autosoma
autosomal in Lithuanian: Autosoma
autosomal in Hungarian: Autoszóma
autosomal in Dutch: Autosoom
autosomal in Japanese: 常染色体
autosomal in Norwegian: Autosom
autosomal in Polish: Autosom
autosomal in Portuguese: Autossomo
autosomal in Russian: Аутосома
autosomal in Slovenian: Avtosom
autosomal in Serbian: Аутозом
autosomal in Swedish: Autosomal
autosomal in Finnish: Autosomi
autosomal in Turkish: Otozomlar
autosomal in Chinese: 常染色体
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