Saliva has become an increasingly popular sample type for DNA collection in genetic testing, วิจัย, ancestry testing, การทดสอบความเป็นพ่อ, and other molecular applications. Compared with traditional blood collection, saliva sampling is simple, ไม่รุกราน, and convenient for self-collection. But why is saliva suitable for DNA testing? The answer lies in the cells and genetic material naturally present in saliva, combined with …