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The term '''autosomal''' is used to describe certain chromosomes within a karyotype that code for the production of various proteins. Autosomal chromosomes appear in pairs whereby each chromosome is genetically identical to its paired chromosome. Any chromosomes in a karyotype that are not autosomal are described as allosomal. Allosomal chromosomes are sex chromosomes which are responsible for sex determination. | The term '''autosomal''' is used to describe certain chromosomes within a karyotype that code for the production of various proteins. Autosomal chromosomes appear in pairs whereby each chromosome is genetically identical to its paired chromosome. Any chromosomes in a karyotype that are not autosomal are described as allosomal. Allosomal chromosomes are sex chromosomes which are responsible for sex determination.<ref name="Autosomes and Allosomes">http://www.tutorvista.com/content/biology/biology-iii/chromosomes/autosomes-and-allosomes.php</ref> | ||
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In humans, there are 23 pairs of chromosomes, 22 of which are autosomal. The other pair are allosomal and determine sex (X and Y chromosomes). | In humans, there are 23 pairs of chromosomes, 22 of which are autosomal. The other pair are allosomal and determine sex (X and Y chromosomes). | ||
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Revision as of 12:02, 14 November 2013
The term autosomal is used to describe certain chromosomes within a karyotype that code for the production of various proteins. Autosomal chromosomes appear in pairs whereby each chromosome is genetically identical to its paired chromosome. Any chromosomes in a karyotype that are not autosomal are described as allosomal. Allosomal chromosomes are sex chromosomes which are responsible for sex determination.[1]
In humans, there are 23 pairs of chromosomes, 22 of which are autosomal. The other pair are allosomal and determine sex (X and Y chromosomes).