Free ethnicity DNA tests are available occasionally to encourage the participation of certain groups of people who share a commonality, such as having African ancestry or a specific surname. Often, the tests are only off... More »

Use the Family Tree DNA test kit by rubbing the bristle end of the swab that comes in the kit against the inside of the cheek of the person to be tested to collect cells, and then sending the swab to a lab for genetic te... More »

www.reference.com Family Genealogy

Ancestry DNA takes a small sample of saliva and uses autosomal testing to find both paternal and maternal ancestors. Most genetic testing focuses on the Y-chromosomes, which are male genetic markers, or on the mitochondr... More »

www.reference.com Science Biology Molecular Biology & DNA

It is possible for someone to trace their Jewish ancestry with a DNA test, according to Forward.com. Such tests have demonstrated that some people of Latino heritage probably had ancestors who were Jewish but were persec... More »

Use the Family Tree DNA test kit by rubbing the bristle end of the swab that comes in the kit against the inside of the cheek of the person to be tested to collect cells, and then sending the swab to a lab for genetic te... More »

www.reference.com Family Genealogy

According to BBC News, it is highly unusual but possible that African DNA from those people brought to other continents could result in two fair-skinned or "white" parents producing a dark-skinned child. BBC News reporte... More »

DNA has a slightly negative charge due to the presence of phosphate groups found in the sugar-phosphate backbone of a DNA molecule. In addition to a phosphate group, each nucleotide of a DNA molecule features a nitrogen-... More »

www.reference.com Science Biology Molecular Biology & DNA