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Encyclopedia > Autosomes
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An autosome is a non-sex chromosome. It is an ordinary paired 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. Jump to: navigation, search Figure 1: Chromosome. ... Wikimedia Commons has media related to: Sex positions Francoeur, Robert T. (ed. ... In biology, a species is a kind of organism. ...


Non-autosomal chromosomes are usually referred to as sex chromosomes or, less frequently, as gonosomes. A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. ...


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An autosomal dominant gene is one on an autosome and is always expressed, even if a single copy exists. The chance is 1:2 for passing this gene to offspring. There are 23 pairs of chromosome in humans.


  Results from FactBites:
 
Autosome (49 words)
An autosome is an ordinary paired chromosome that is the same in both sexes of a species.
The X and Y chromosomes are not autosomal.
Non-autosomal chromosomes are usually referred to as sex chromosomes or, less frequently, as gonosomes.
Autosome definition - Medical Dictionary definitions of popular medical terms (124 words)
Autosome: A chromosome that is not a sex chromosome.
People normally have 22 pairs of autosomes in every cell (together with two sex chromosomes -- an X and a Y in the male and two Xs in the female -- for a total of 46 chromosomes).
The term "autosome" was coined by Montgomery in 1906.
  More results at FactBites »


 

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