(This audio is from my TikTok videos, follow me @elsamboi)
There was a study published in 2019 & covered by PBS, that seems to confirm the idea that there is no singular gene that decides human sexuality, instead a myriad of external and internal factors influence one's sexual orientation
Here's the study: https://www.pbs.org/newshour/science/there-is-no-gay-gene-there-is-no-straight-gene-sexuality-is-just-complex-study-confirms?fbclid=IwAR33NRHHXBbpbHK-g5eUZbFm7W0VimUtAdRGL3xv2NEQMbUBP40t62D3_Eg