Human evolution

Human evolution

Otherwise known as anthropogeny; anything of or relating to the study of the origin and evolution of Homo sapiens as a distinct species from other hominids, great apes and placental mammals.

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Human evolution

Flake (flake tools)

Archaeology; Human evolution

An unusually sharp-edged stone fragmented, struck, or pressured off of a core (a larger rock ornodule). See detached piece.

Lingual

Archaeology; Human evolution

Toward the tongue, the tongue-facing side of a tooth.

Phratry

Archaeology; Human evolution

A grouping of clans related by traditions of common descent or historical alliance based on kinship.

Ordered tetrads

Archaeology; Human evolution

A structure resulting from meiosis in which the fouor meiotic products are in an order reflecting exactly the orientation of the four chromatids at the metaphase plate in meiosis I.

Overdominance (heterozygote advantage)

Archaeology; Human evolution

Condition in which the heterozygote has higher fitness than either of the homozygotes.

Archaeobotany

Archaeology; Human evolution

See paleoethnobotany.

Synapsis

Archaeology; Human evolution

The intimate association of homologous chromosomes brought about by the formation of a zipperlike structure along the length of the chromatids called the synaptonemal complex.