So are genes for the olfactory receptor, cytochrome P450 (which degrades toxins), and CCL3L1-CCL4 (associated in humans with HIV susceptibility).
Tamén o están os xenes do receptor olfactorio, citocromo P450 (que degrada toxinas) e CCL3L1-CCL4 (asociado en humanos coa susceptibilidade ao VIH).