Why does a plant produce male and bisexual flowers simultaneously and further shift its gender between male and hermaphroditic phases among seasons? Chen and Pannell study sex allocation and reproductive success in Pulsatilla alpina.

Now available open-access ahead of print!
https://www.journals.uchicago.edu/doi/10.1086/737646

#flower #hermaphrodite #gender #sexAllocation #reproduction

What ratio of sons to daughters should you have?

Summary & Analysis by Iain R. Moodie of “Sex Allocation in a Monogamous Bird: Advantaged Matrilines and Sons with Silver Spoons” by Atkins Coleman et al.
Read now!
https://www.amnat.org/an/newpapers/Jan-2025-Atkins-Coleman.html

#sex #monogamous #bird #sexAllocation #silverSpoons

New paper: "R.A. Fisher on J.A. Cobb's The Problem of the Sex-Ratio" (#OA)

http://hdl.handle.net/10023/28453

"Fisher's principle" of the sex ratio was first given by Cobb in 1914. Here I show that Fisher was aware of Cobb's paper.

#RonaldAylmerFisher #JohnAustinCobb #SexRatio #SexAllocation

New paper: "W. D. Hamilton and the golden sex ratio" (#OpenAccess)

https://doi.org/10.1016/j.jtbi.2023.111599

#GoldenRatio #SexRatio #SexAllocation #Haplodiploidy #MaleHaploidy#Image https://hotpot.ai/art-generator #OA

New paper: "The rarer-sex effect" (#OpenAccess)

https://royalsocietypublishing.org/doi/10.1098/rstb.2021.0500

Part of a #PhilTransB theme issue on "Half a century of evolutionary games"

https://royalsocietypublishing.org/toc/rstb/2023/378/1876 #SexRatio #SexAllocation #Evolution #GameTheory #UnbeatableStrategy @rsocpublishing #OA