While genetics can play a role, most autism cases are epigenetic, meaning environmental factors influence how genes express without altering DNA. Here’s what the research shows: 📊 Less than 1% of non-syndromic autism is linked to single-gene mutations. 🧬 A 2022 study found that 86% of kids with autism showed no DNA changes linked to their condition. 🔬 Genetic testing is recommended for all kids with autism. It can identify abnormalities that might guide medical or behavioral treatments. Types