Genetic Genealogy Overview
What can DNA do for me?
You might already be familiar with how DNA testing can help solve crimes, confirm the paternity of children, and even determine the identity of ancient mummies. Now DNA can also help you with your genealogical research. It's a simple and painless process to gather your DNA sample and within a few weeks have results that you can compare with the ever-expanding Ancestry.com DNA database to find potential genetic cousins. Learn more about the science behind DNA, chromosomes, and genetics.
Finding genetic cousins
By comparing your Ancestry.com DNA test results with others, you can determine to what extent you are related. For example, the more closely your result set matches another's, the narrower the range of generations between the two of you and your common ancestor.
As the Ancestry.com DNA database grows, we will automatically compare your result against each new entry. If a close match is found, you will receive an e-mail with a link to a page that describes how your two test results match. You can now begin communicating with your genetic cousin using Ancestry.com's Connection Service as the first step towards comparing the genealogies of your two families.
Discover ancient ancestry
In addition to finding genetic cousins, your DNA test can also reveal your ancient origins. Beginning over 170,000 years ago, our ancient human ancestors migrated out of Africa and began their slow and steady spread across the continents. Over time as these ancestors spread throughout the world and adapted to their new surroundings and environments, their DNA diversified and they became genetically distinct from one another. Today, these differences can be traced through DNA and provide insights on how your ancient ancestors migrated and diversified into distinct populations.
What can DNA do for me?
You might already be familiar with how DNA testing can help solve crimes, confirm the paternity of children, and even determine the identity of ancient mummies. Now DNA can also help you with your genealogical research. It's a simple and painless process to gather your DNA sample and within a few weeks have results that you can compare with the ever-expanding Ancestry.com DNA database to find potential genetic cousins. Learn more about the science behind DNA, chromosomes, and genetics.
Finding genetic cousins
By comparing your Ancestry.com DNA test results with others, you can determine to what extent you are related. For example, the more closely your result set matches another's, the narrower the range of generations between the two of you and your common ancestor.
As the Ancestry.com DNA database grows, we will automatically compare your result against each new entry. If a close match is found, you will receive an e-mail with a link to a page that describes how your two test results match. You can now begin communicating with your genetic cousin using Ancestry.com's Connection Service as the first step towards comparing the genealogies of your two families.
Discover ancient ancestry
In addition to finding genetic cousins, your DNA test can also reveal your ancient origins. Beginning over 170,000 years ago, our ancient human ancestors migrated out of Africa and began their slow and steady spread across the continents. Over time as these ancestors spread throughout the world and adapted to their new surroundings and environments, their DNA diversified and they became genetically distinct from one another. Today, these differences can be traced through DNA and provide insights on how your ancient ancestors migrated and diversified into distinct populations.
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