Roberts Family Funeral Home in Forest Lake, Minn., is now offering to collect DNA samples from the dead.

The service, which costs $295, is being marketed as a way for survivors to learn about the risks of certain diseases, authenticate genetic ancestry, and determine paternity.

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"This will help families protect their future generations," said Kelly Roberts, managing partner of the funeral home. "All medical and genealogical DNA is destroyed during the cremation process, and it is costly to disinter once a person is buried."

According to Roberts, his is the first funeral home in Minnesota to offer the service.

The funeral home has partnered with DNA Memorial, a Toronto-based company that has developed a proprietary method of extracting DNA from a cheek swab or hair sample for indefinite room-temperature storage, Roberts said.