Increased birth rank of homosexual males: disentangling the older brother effect and sexual antagonism hypothesis

Increased birth rank of homosexual males: disentangling the older brother effect and sexual antagonism hypothesis

Male homosexual orientation remains a Darwinian paradox, as there is no consensus on its evolutionary (ultimate) determinants. One intriguing feature of homosexual men is their higher male birth rank compared to heterosexual men. This can be explained by two non-exclusive mechanisms: an antagonistic...

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Bibliographic Details
Main Authors: Raymond, Michel, Turek, Daniel, Durand, Valérie, Nila, Sarah, Suryobroto, Bambang, Vadez, Julien, Barthes, Julien, Apostolou, Menelaos, Crochet, Pierre-André
Format: Article
Language:English
Published: Peer Community In 2023-02-01
Series:Peer Community Journal
Subjects:
homosexuality, sexual orientation, fraternal birth order, older brothers, female fecundity, balancing selection, maternal immunization
Online Access:https://peercommunityjournal.org/articles/10.24072/pcjournal.247/

Internet

https://peercommunityjournal.org/articles/10.24072/pcjournal.247/

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