When you take an ancestry test, the company will compare your DNA to the DNA of reference populations. These reference populations are groups of people whose genetic makeup is well-known. By comparing your DNA to these reference populations, the company can estimate the percentage of your DNA that comes from each group.

If you have Neanderthal ancestors, your DNA will be similar to the DNA of Neanderthals. This means that the ancestry test will be able to detect the presence of Neanderthal DNA in your genome.

The amount of Neanderthal DNA that you have can vary from person to person. Some people may have as much as 4% Neanderthal DNA, while others may have only a trace amount.

The amount of Neanderthal DNA that you have does not necessarily mean anything about your physical or mental traits. However, it can be interesting to learn about your genetic history and to see how you are connected to other people around the world.

Here are some of the benefits of taking an ancestry test:

* Learn about your genetic history: Ancestry tests can help you to trace your roots back to your ancestors. You can learn about the different countries and regions that your ancestors came from, and you can even identify specific relatives who you may not have known about before.

* Find new relatives: Ancestry tests can help you to connect with new relatives who you may not have known about before. This can be a great way to expand your family tree and learn more about your genetic heritage.

* Get a better understanding of your health: Ancestry tests can provide you with information about your genetic risk for certain diseases. This information can help you to make informed decisions about your health and lifestyle.

Ancestry tests are a great way to learn more about yourself and your genetic heritage. They can be a fun and informative experience, and they can also provide you with valuable information about your health.