1. You got those big blue eyes from your grandmother, but chances are you inherited less desirable genes as well. We inherit our DNA from our parents, who inherited it from their parents. Since we all possess genes that can cause or contribute to disease, knowing one’s DNA and family medical history can be a great resource for someone who learns they have a genetic disorder.
2. Full genome sequencing is right around the corner! The X-prize quest for the $1000 genome will lead to efficient and affordable whole-genome sequencing. As commercial companies crop up and compete for customer’s business, leading to even lower prices.
3. Your grandmother’s DNA contains clues to her ancestry. X-chromosome, mtDNA, and autosomal genealogy tests contain clues to a person’s ancestry, both recent and ancient.4. Even if you aren’t interested in this whole genetic genealogy craze, somebody you know will be ! Genealogy is one of the most popular hobbies in America, and the use of DNA to augment traditional genealogical research is growing faster than ever. Chances are that someone you know will someday be interested in your grandmother’s DNA!
5. All the undiscovered possibilities. No one knows what uses will be discovered for DNA in the future. Save that DNA just in case!Disclaimer: Some people are very uncomfortable with the thought of gathering and storing a loved one’s DNA, and those beliefs should be honored and respected. It is ALWAYS best to obtain your grandmother’s permission before you gather her DNA. So don’t delay, call her now!