Physical anthropology

Physical anthropology

The branch of anthropology that studies the development of the human race in the context of other primate species.

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Physical anthropology

Potassium-argon

Anthropology; Physical anthropology

A radiometric dating method based on the fact that potassium-40 in volcanic rock decays into argon-40 and calcium-40 at a known rate. The half-life of potassium-40 is approximately 1. 3 billion ...

A hypothesis to explain the origin of modern Homo sapiens. It proposes that the first modern humans evolved in Africa, but when they migrated into other regions they did not simply replace existing ...

Syndromes

Anthropology; Physical anthropology

A number of conditions that occur together and characterise a particular disease or condition (e.g., Klinefelter syndrome).

Sex cell

Anthropology; Physical anthropology

A gamete, either a sperm or an ovum. Sex cells are produced by the meiosis process and have a haploid number of chromosomes. See somatic cell.

Sex-controlled gene

Anthropology; Physical anthropology

A gene that can be inherited by both genders but is usually expressed differently in males and females. See sex-limited gene.

Abdominal wall defect

Anthropology; Physical anthropology

A genetically inherited condition in which intestines and other abdominal organs protrude through the central abdominal wall. This must be corrected by surgery at birth.