From an article by Deepti Hajela published in The Washington Post:

The New York-based Center for Jewish History is launching the DNA Reunion Project, offering DNA testing kits for free through an application on its website. 

For those who use the kits it is also offering a chance to get some guidance on next steps from genealogists.

Those genealogists, Jennifer Mendelsohn and Adina Newman, have been doing this kind of work over the last several years, and run a Facebook group about Jewish DNA and genetic genealogy.

The advent of DNA technology has opened up a new world of possibilities in addition to the paper trails and archives that Holocaust survivors and their descendants have used to learn about family connections severed by genocide, Newman said.

You can read more at: https://tinyurl.com/mucy72ne.