Ground beetle genitals have the genetic ability to get strange. They don’t
A new look at the genetics of sex organs finds his vs. hers conflicts over length and width
![beetles](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/07/062519_SM_beetle-feat.jpg?fit=860%2C460&ssl=1)
SEX AND WAR Among ground beetles (Carabus maiyasanus), the sizes of male and female genitals stay in sync despite genetic quirks that allow for more evolutionary freedom.
Teiji Sota/Kyoto Univ.