Build foundational genetics knowledge with this NGSS-aligned True/False Quiz on DNA and Chromosome Structure, created for HS-LS3-1. This flexible resource is available in both printable PDF format and a self-grading Google Form, making it perfect for in-person, hybrid, or remote classrooms. With 30 True/False questions, students explore the structure and function of DNA and chromosomes, including the roles of nucleotides, genes, base pairing, histones, chromatin, and mutations. The quiz p