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. ...
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.
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