Scientists Accidentally Made a Mouse Grow Legs in Place of Genitals

<img width="128" height="52" src="https://www.sciencealert.com/images/2024/04/AccidentallyOnPurposeSixLeggedMouseEmbryo.jpg" alt="scan of six limbed mouse embryo with limbs highlighted, extras in magenta"/>
A very strange result.

https://www.sciencealert.com/scientists-accidentally-made-a-mouse-grow-legs-in-place-of-genitals