trans

trans

adj \ˈtran(t)s, ˈtranz\

Definition of TRANS

1

: characterized by or having certain groups of atoms on opposite sides of the longitudinal axis of a double bond or of the plane of a ring in a molecule—see all-trans

2

: relating to or being an arrangement of two very closely linked genes in the heterozygous condition in which one mutant allele and one wild-type allele are on each of the two homologous chromosomes—compare cis 2