azygous

== English == === Etymology === From a- +‎ -zygous. === Pronunciation === IPA(key): /eɪˈzaɪɡəs/ === Adjective === azygous (not comparable) (biology) Odd; not one of a pair; single. (biology) In genetics, not containing a specific allele of a gene, or only having wild type alleles (cf. heterozygous, homozygous). ==== Derived terms ==== azygous vein === References ===