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

random sample

Anthropology; Physical anthropology

A sample that is selected by a researcher without any bias whatsoever. In other words, all samples in a population have an equal probability of being selected. This can be achieved by using a ...

heterozygous

Anthropology; Physical anthropology

A genotype consisting of two different alleles of a gene for a particular trait (Aa). Individuals who are heterozygous for a trait are referred to as heterozygotes. See homozygous.

A discrete, thread-like, gene-carrying body in the nucleus of a cell. Chromosomes are composed primarily of DNA and protein. They are visible only under magnification during certain stages of cell ...

descent with modification

Anthropology; Physical anthropology

A phrase Charles Darwin used to refer to the process by which natural selection favors some variations resulting in their becoming more common in the next generation. Descent with modification is ...

gamete

Anthropology; Physical anthropology

A reproductive cell--sperm or unfertilized ovum cell produced in the testes and ovaries of animals. Gametes are produced by meiosis. They normally have half the number of chromosomes found in somatic ...

polyandrous

Anthropology; Physical anthropology

A mating pattern in which one female has more than one male mate. Polyandry is rare among nonhuman primates. It is seen only among marmosets and tamarins. Polyandry occurs in some human societies in ...

prepared core

Anthropology; Physical anthropology

A rock core that has been preliminarily shaped by rough percussion flaking in order to remove flakes of standardized sizes and shapes. See punch flaking and Levallois flake.