You can do a quick catalog search (keyword, author, title, subject) above.
Use the full-version of the Library Catalog to:
Do a Subject search to find resources that are focused on your particular genetic disorder or broadly genetic disorders or meodical genetics.
Do a Keyword search to broaden results on your topic.
Try JumboSearch, Tufts Libraries new, next generation catalog. Use the facets to limit search results or discover resources from non-Tufts libraries.