The classical example of thermionic emission is the emission of electrons from a hot cathode into a vacuum (also known as thermal electron emission or the Edison effect) in a vacuum tube. The hot cathode can be a metal filament, a coated metal filament, or a separate structure of metal or carbides or borides of transition metals.
Low confidence regions are areas for which there s a small amount of DNA evidence found in your sample. All ethnicities with predicted percentages of less than 4.5% appear as low confidence regions. Inferior complex is low complex .
Ancestry DNA is the clear industry leader in the consumer DNA testing market. With more than 1.4 million people in the database, 23andme and Family Tree DNA just don't compare. I have tested at all three and I am able to confirm relationships with more people at Ancestry DNA than either of the other services. Ancestry DNA is an autosomal DNA test and will provide an ethnicity breakdown, as well as relative matches to anyone in the database whom shares DNA with you. ALL of your family lines will be represented.