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There are currently two basic types of DNA testing done for genealogy. One is Y DNA which gets passed only from father to son and is thus the most useful when trying to tie it to a surname that gets passed paternally. The other is mitochondrial and this gets passed from mother to child, regardless of gender. This is helpful in understanding where your mothers, mothers, mothers, mother, etc. came from, but is not as useful with genealogy research.
My posting was with regard to Y DNA, so you would need a male Maitland such as a father, brother, uncle, or cousin in order to participate.