autosomal

American  

[aw-tuh-soh-muhl] / ˌɔ təˈsoʊ məl /

adjective

Genetics.

1. occurring on or transmitted by a chromosome other than one of the sex chromosomes.

   Marfan syndrome is a connective tissue disorder inherited as an autosomal dominant trait.

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Other Word Forms

• autosomally
  adverb

Etymology

Origin of autosomal

First recorded in 1910–15; autosom(e) ( def. ) + -al ¹ ( def. )

Example Sentences

Searle lives with a rare eyesight condition called Autosomal Dominant Optic Atrophy - which affects vision by causing the optic nerve to become progressively thinner.

From BBC • Jan. 2, 2026

Autosomal DNA testing can tell you about your ethnicity and find matches to living relatives within the last five generations.

From Slate • Oct. 18, 2018

Autosomal dominant, inherited mutations in the gene LRRK2 are the most prevalent genetic lesions that underlie familial forms of PD13, 14.

From Nature • Nov. 8, 2016

Figure 28.26 Autosomal Dominant Inheritance Inheritance pattern of an autosomal dominant disorder, such as neurofibromatosis, is shown in a Punnett square.

From Textbooks • Jun. 19, 2013