Here is a 3-paragraph summary of the article for mathopen.com:
Genome duplication is one of the most dramatic events that can occur in an organism's evolutionary history. When an organism doubles its entire set of genetic material, it essentially places a massive bet on its own future. This process, known as polyploidy, creates enormous potential for rapid change but also introduces serious risks that can threaten survival.
The upside of genome duplication is extraordinary. Having extra copies of every gene gives organisms a kind of evolutionary playground, where redundant genes can mutate and develop new functions without disrupting the original. This can drive adaptation at a pace far faster than typical evolutionary processes, giving species new tools to thrive in changing environments.
However, the risks are just as significant as the rewards. Managing a doubled genome creates challenges in cell division, gene regulation, and reproduction, and many organisms that undergo duplication simply do not survive. New research is helping scientists understand the specific conditions and genetic strategies that allow organisms to successfully stabilize their duplicated genomes and turn a high-stakes gamble into a lasting evolutionary advantage.