Böyük qardaş və bacıların anaların immun sistemi vasitəsilə cinsi yönəlməni necə formalaşdıra biləcəyi
newscientist.com 16.09.2026 17:50 4 baxış
It has long been observed that men with older brothers are more likely to be gay, but an association has also been found with older sisters. This sheds further light on how a mother's immune system may be involved in sha