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This is probably why the Y chromosome is largely empty of protein coding genes. Were the Y chromosome genetically active, it would likely evolve to support patriarchy of the sort commonly aledged to exist by people in the social justice world.
In principle, couldn't the SRY gene just activate a hormonally controlled cascade of neurodevelopmental pathways whose complexity is carried mostly on the 22 autosomes? So the 'patriarchy' adaptations are hidden amongst thousands of genes?
Hmm.. pushing thought frontier .. 1/3. Haig in 2002 book speculated parental genomic conflict in fetuses difficult to evolve in non-placental mammals. Placenta creates means for paternal genomic imprinting to conflict over resource allocations in maternal-fetal conflict.
2/3. ~Could~ lead to evo of shared-father (full-sib) kin recognition. (Me now) So natal bands of male kin, fighting as groups --> patriarchy? By subverting Rawlsian veil over autosomal genes 50% likely in any generation to be in either male or female body, by imprinting? idk.
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