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Evolution

Of or pertaining to the change in the genetic composition of a population during successive generations, as a result of natural selection acting on the genetic variation among individuals, and resulting in the development of new species.

Contributors in Evolution

Evolution

placental mammals

Archaeology; Evolution

A group (specifically, an order) of mammals in which the young develop inside the mother, attached to her and nourished by a specialized structure called the placenta. In placental mammals, the young ...

sickle cell anemia

Archaeology; Evolution

A disease in which poorly formed red blood cells cannot bind correctly to oxygen, resulting in low iron, blood clotting, and joint pain.

linkage disequilibrium

Archaeology; Evolution

A condition in which the haplotype frequencies in a population deviate from the values they would have if the genes at each locus were combined at random. (When no deviation exists, the population is ...

anatomy

Archaeology; Evolution

(1) The structure of an organism or one of its parts. (2) The science that studies those structures.

population

Archaeology; Evolution

A group of organisms, usually a group of sexual organisms that interbreed and share a gene pool.

neutral mutation

Archaeology; Evolution

A mutation with the same fitness as the other allele or alleles at its locus.

bivalve

Archaeology; Evolution

A mollusk that has a two-part hinged shell. Bivalves include clams, oysters, scallops, mussels, and other shellfish.

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