Question

What is the work in DNA test

Answer 1

Answer:

After extracting DNA from your cheek swab or saliva sample, DNA testing companies search your DNA for certain genetic variants .The building blocks of DNA are chemical bases called nucleotides, which come in four bases _A ,T, C,and G ( adenine ,thymine ,cytosine ,and guanine ,respectively ).

Explanation:

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Answer 2

Explanation:

A genealogical DNA test is a DNA-based test which looks at specific locations of a person's genome, in order to find or verify ancestral genealogical relationships or (with lower reliability) to estimate the ethnic mixture of an individual.