Modifications

::It is typically the most expensive test and, like mtDNA, it receives criticism for not being inclusive of all one's ancestors. Anyone who says that clearly has not used DNA for research. Being able to focus on one individual from each generation is very powerful.

::It is typically the most expensive test and, like mtDNA, it receives criticism for not being inclusive of all one's ancestors. Anyone who says that clearly has not used DNA for research. Being able to focus on one individual from each generation is very powerful.

:As with mtDNA, the single-line focus excludes other ancestors. This can be rectified by finding descendants of the other lines and having them test. That may not even be necessary, as a search for surname projects (available only at Family Tree DNA) may show that your other surname is already being researched.

::As with mtDNA, the single-line focus excludes other ancestors. This can be rectified by finding descendants of the other lines and having them test. That may not even be necessary, as a search for surname projects (available only at Family Tree DNA) may show that your other surname is already being researched.

== DNA Projects ==

== DNA Projects ==