Researchers have discovered a gene essential for forming the distinctive waist in spiders, highlighting a unique aspect of chelicerate biology. This gene, known as ‘waist-less’, differentiates spiders from other arthropods like insects and crustaceans, which lack this gene due to evolutionary divergence. Spider Anatomy and Genetics An ancient gene is crucial for the development of [...]from SciTechDaily https://ift.tt/a5fzBGV
