#Spiders and silk go hand in hand, but spinnerets may exist thanks to an ancient error
A close look at the genetics and development of #spinnerets — spiders’ silk-making organs — reveals that an early arachnid doubled all of its DNA hundreds of millions of years ago. The findings suggest key, doubled genes were responsible for the #evolution of spinnerets.
https://www.sciencenews.org/article/spider-silk-making-organ-evolve-genetic
https://archive.ph/LVsPW









