The NCBI Genome Data Viewer is a web-based tool that allows users to visualize and explore genomic data from various organisms. It provides access to annotated genome assemblies, enabling researchers to examine gene locations, variations, and other genomic features in a user-friendly interface. This tool is part of the National Center for Biotechnology Information (NCBI) resources, which supports the scientific community by offering comprehensive data on genetics and molecular biology. Users can navigate through different genomic regions, compare multiple genomes, and access related information, facilitating research and discovery in genomics.