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Prime Day deals on DNA kits: Here's what these genetic tests might tell you

Commercial DNA testing kits use genetic analysis to offer users insights into their ancestry and family history. (Image credit: AncestryDNA)

Curious about your ancestry? Now may be the time to act on that — Prime Day offers big savings on best-selling DNA kits.

These commercial kits conduct genetic analyses of saliva samples collected at home from cheek swabs. Then, they compare the results to DNA information and other records held in vast databases. Matches provide a genetic and ancestral "fingerprint" that can point to a user's ethnic makeup, and may also indicate family relationships spanning generations.

Here's what you can expect to learn from some of the top DNA ancestry tests, all of which are on sale today (Nov. 26).

AncestryDNA

After submitting a DNA sample using the AncestryDNA kit, users receive a pie chart and percentage estimate of their ethnicity, with locations and details from more than 350 regions — in some cases, identifying specific cities, according to the product website. The company's extensive DNA database provides matches to potential relatives, and reports may also include migration maps and historical timelines that could have impacted ancestors. Results are typically delivered within 6 to 8 weeks after DNA samples are received.

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AncestryDNA: Genetic Ethnicity Test| $99.00 $59.00 at Amazon

Are you building a family tree? Or just interested in some more detail about your ethnicity? AncestryDNA could fit the bill. The company searches DNA in more than 1,000 regions to provide a precise ethnicity estimate with lots of geographic detail. Today, Amazon has the kit for 40% off.

23andMe Ancestry Service

23andMe's Ancestry Service kit covers over 150 geographic regions and generates five reports: ancestry composition; maternal haplogroup (a collection of genes inherited from a single parent); paternal haplogroup; Neanderthal ancestry; and possible family connections based on DNA — an opt-in service — according to the product website. A map and percentage estimate describe users' ancestry composition, alongside a timeline that displays the most recent ancestor for each population. After DNA samples are received, results are delivered in 6 to 8 weeks.

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23andMe Health + Ancestry Service | $199 $99 at Amazon

This kit allows you to learn about your ancestry and where in the world your DNA is from across 2000-plus regions. In addition to learning about some health risks, you can also see how your DNA might impact your taste and smell preferences as well as musical pitch. For Prime Day, Amazon is selling the kit for 50% off.

MyHeritage DNA

MyHeritage ancestry lab and network services approximately 100 million users worldwide, and their database includes 9.4 billion historical records. Analysis of DNA samples takes about 3 to 4 weeks; once genetic data is extracted and digitized from samples, algorithms calculate ethnicity percentages and map ancestry to 42 geographic regions. Users may also request comparison of their DNA sample to other DNA data in the MyHeritage database, where genetic matches may indicate possible family relationships.

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MyHeritage DNA Test Kit | $79.00 $49.00 at Amazon

This kit not only gives your ethnicity breakdown, but you can also trace your relationship to your DNA matches by exploring the following services: Shared Ethnicities, Shared Ancestral Places and more advanced DNA features. Right now, get 38% off the kit at Amazon for Prime Day.

Originally published on Live Science.

Mindy Weisberger

Mindy Weisberger is a Live Science senior writer covering a general beat that includes climate change, paleontology, weird animal behavior, and space. Mindy holds an M.F.A. in Film from Columbia University; prior to Live Science she produced, wrote and directed media for the American Museum of Natural History in New York City. Her videos about dinosaurs, astrophysics, biodiversity and evolution appear in museums and science centers worldwide, earning awards such as the CINE Golden Eagle and the Communicator Award of Excellence. Her writing has also appeared in Scientific American, The Washington Post and How It Works Magazine.