- 外显子 wàixiǎnzǐ exon(genetics) a segment of a DNA or RNA molecule containing information coding for a protein or peptide sequence
- 外显率 wàixiǎnlǜ penetrance(genetics) the proportion of individuals carrying a particular variant of a gene who also express an associated trait
- 外显性 wàixiǎnxìng penetrancethe proportion of individuals carrying a particular variant of a gene who also express an associated trait, especially in genetics