Relating to or located on an autosome, which is any chromosome that is not a sex chromosome.
From autosome + -al (suffix for relating to). Term emerged in early 20th century genetics, combining auto- (self/independent) with soma (body).
Your genes for eye color and height are autosomal, meaning they're on the regular chromosomes, not the sex chromosomes—that's why boys and girls inherit them the same way.
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