Spider spinneret evolution: How a genome duplication event 438 million years ago set the stage - Phys.org
Source:Phys.Org
Scientists have uncovered a 400-million-year-old genetic secret that gave spiders the ability to produce silk and weave their webs. Spiders didn’t begin their journey on Earth in the same way as they are known today. Arthropods such as our eight-legged weaver…