This fits into my larger theory, that a large fraction of "success" is attributable to zero-sum exploitation of the detail of a functional system. Here, a selfish chromosome exploits a system that detects damaged chromosomes to eliminate rivals.
the paper they cite:
>Selfish chromosomes exploit a germline checkpoint to eliminate competing gametes
the paper they cite: >Selfish chromosomes exploit a germline checkpoint to eliminate competing gametes
https://www.nature.com/articles/s41467-025-68254-7