There are species of fish that have gone through whole genome duplication. https://www.nature.com/articles/s41559-023-02299-z#:~:text=Polyploidy%20or%20whole%2

There are species of fish that have gone through whole genome duplication. https://www.nature.com/articles/s41559-023-02299-z#:~:text=Polyploidy%20or%20whole%2Dgenome%20duplication,occurred%20during%20early%20vertebrate%20evolution. https://www.nature.com/articles/s41559-023-02299-z#:~:text=P...