Maybe not genetically, but fun fact about sneezing-quirks: There exists "Sneezing induced by sexual ideation or orgasm. Source: https://scholar.google.com/scholar?cluster=2084455232396039941&hl=de&as_sdt=0,5#d=gs_qabs&t=1716906331494&u=%23p%3D-Y8j_fJVLLsJ