Greetings from a Triparental Planet
Gizem Bacaksizlar, Stefani Crabtree, Joshua Garland, Natalie, Grefenstette, Albert Kao, David Kinney, Artemy Kolchinsky, Tyler Marghetis,, Michael Price, Maria Riolo, Hajime Shimao, Ashley Teufel, Tamara van der, Does, Vicky Chuqiao Yang (Santa Fe Institute Postdocs)

TL;DR
This speculative science paper explores the emergence, biological mechanisms, and societal implications of triparentalism, a reproductive system requiring three individuals, on a distant star system's species.
Contribution
It introduces a detailed evolutionary and biological model of triparental reproduction and discusses its societal impacts, a novel concept in reproductive biology.
Findings
Triparentalism evolved as an advantageous reproductive strategy.
Distinct genetic and infection dynamics arise from three mating types.
Societal structures like short unions and monocultures may result from triparental systems.
Abstract
In this work of speculative science, scientists from a distant star system explain the emergence and consequences of triparentalism, when three individuals are required for sexual reproduction, which is the standard form of mating on their home world. The report details the evolution of their reproductive system--that is, the conditions under which triparentalism and three self-avoiding mating types emerged as advantageous strategies for sexual reproduction. It also provides an overview of the biological consequences of triparental reproduction with three mating types, including the genetic mechanisms of triparental reproduction, asymmetries between the three mating types, and infection dynamics arising from their different mode of sexual reproduction. The report finishes by discussing how central aspects of their society, such as short-lasting unions among individuals and the rise of a…
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Taxonomy
TopicsEvolution and Genetic Dynamics · Demographic Trends and Gender Preferences · Evolutionary Game Theory and Cooperation
