https://geneed.nlm.nih.gov/?utm_source=NLM_Carousel&utm_campaign=Genetics%20Resources%20GeneEd%20HomePage

Developed and maintained by the National Library of Medicine (NLM) and the National Human Genome Institute (NHGRI), National Institutes of Health (NIH), is a safe and useful resource for students and teachers in grades 9 - 12 to learn genetics. The Web site allows the user to explore topics such as Cell Biology, DNA, Genes, Chromosomes, Heredity/Inheritance Patterns, Epigenetics/Inheritance and the Environment, Genetic Conditions, Evolution, Biostatistics, Biotechnology, DNA Forensics, and Top Issues in Genetics.