Adenine: One of the four nucleobases found in DNA. Adenine (A) always pairs with thymine (T).

Allele: Alternate sequences for a particular position in the genome

Ancestry: Line of descent, therefore a person, plant, animal or object that is related to one existing at a later point in time

Anthropology: The study of the human race, its culture and society and its physical development

Avuncular: Of or having to do with an uncle

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