Adenine is a nucleobase, which is a component of nucleotides, the basic building blocks of DNA and RNA.

Anthropology is a social science that studies human societies, cultures, and their development.

Archaeology is the scientific study of human history and prehistory through the excavation of artifacts and structures.

Cytosine (symbol C or Cyt) is one of the four nucleobases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA).

DNA, also known as deoxyribonucleic acid, is a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.

Guanine (symbol G or Gua) is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA).

"Human" is a Wikipedia page that explores the biological, social, and cultural aspects of human beings.

Mitochondrial DNA (mtDNA) is a type of genetic material found in mitochondria, which are small structures within cells that generate energy.