A malicious gene drive. Basically, use molecular tools to ensure that a gene is always passed down from a parent to its progeny, regardless of the other parent’s genetic makeup.
Many choices available: propagate resistance to a pesticide for mosquitos, guarantee Huntington’s disease in a family, or crash a population of beneficial species by reducing fertility, to name a few.
It’s not that I can’t stay up all night, it’s that I have too much on to waste half a day sleeping