Why would an entire biosphere evolve to reproduce with three parents instead of two?

Why would the biosphere evolve this way? What selection pressures would favor the evolution of reproduction requiring three individuals over two? Resistance to inbreeding forced by frequent population bottlenecks? Genetic redundancy that would mitigate frequent exposure to mutagens? Etc.

is a duplicate

This question has been asked before and has already been answered. It should be marked as a duplicate.

Please enter the URL of the proposed duplicate in the details field below.

not constructive

This question cannot be answered in a way that is helpful to anyone. It's not possible to learn something from possible answers, except for the solution for the specific problem of the asker.

Communities

Why would an entire biosphere evolve to reproduce with three parents instead of two?

0 comment threads

0 answers