Learning Center

Who is the root person in the family tree?

The root person in the family tree is the default person when viewing your family [...]

What types of reports are available for my family tree?

You can choose from over 16 types of family tree charts and reports. Updates will [...]

How do I share my family tree with someone else?

Sharing your family tree with relatives allows them to view and even help contribute information [...]

Y-DNA Tutorial

Y-DNA is the DNA of the Y chromosome. Humans have 23 pairs of chromosomes. 22 [...]

Mitochondrial DNA Tutorial

mtDNA stands for “mitochondrial DNA." All of us, both males and females, carry mtDNA. mtDNA [...]

What variation occurs in the mtDNA?

The most common type of mutation or variation found in mtDNA is called a “SNP” [...]

What is the Atlantic Modal Haplotype?

Some Y-DNA haplotypes occur more frequently in certain parts of the world. For example, people [...]

What is the difference between a Y-DNA haplotype and Y-DNA haplogroup?

A Y-DNA haplotype is a persons Y-STR profile. This includes the number of repeats at [...]

What is TMRCA?

TMRCA stands for “Time to Most Recent Common Ancestor." It’s a measure of how long [...]

What are advanced glycation end products (AGEs)?

Advanced glycation end products or AGEs are made by a process called glycation. This takes place [...]