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modelo de asimilación

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 human populations. Rather, they interbred to a limited degree with late archaic humans resulting in hybrid populations.

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asimilación
Agricultural chemicals; Pesticides

La capacidad de un cuerpo de agua para purificarse por sí misma de los contaminantes.

asimilación
Sociology; General sociology

La internalización por parte de un grupo minoritario de los valores y normas de la cultura dominante.

asimilación
Sociology; General sociology

El proceso por el cual a persona reniega de su propia tradición cultural para ser parte de una cultura diferente.

asimilación
Language; Dictionaries

El acto o proceso de asimilar o hacer semejante, parecido o idéntico; también el estado de ser asimilado; como la asimilación de un sonido al otro.

modelo
Anthropology; Cultural anthropology

A system of hypothetical principles that represents the characters of a phenomenon and from which predictions can be made.

enfermedad endémica
Anthropology; Physical anthropology

A disease that remains at a more or less constant frequency of affected individuals in a population all of the time. Examples: hypertension, tooth decay, and malaria.

polimorfismo
Anthropology; Physical anthropology

A genetic trait controlled by more than one allele, each of which has a frequency of 1% or greater in the population gene pool. See balanced polymorphism.

termoluminiscencia (TL)
Anthropology; Physical anthropology

A radiometric dating method based on the fact that trace amounts of radioactive atoms, such as uranium and thorium, in some kinds of rock, soil, and clay produce constant low ...

potasio-argón
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 ...

pedernal
Anthropology; Physical anthropology

A kind of hard, rock with a glassy opaque appearance. It was a favorite raw material for many prehistoric humans for the manufacture of tools such as knives and scraping ...

trisomía 21
Anthropology; Physical anthropology

A genetically inherited form of mental retardation usually resulting from the inheritance of an extra autosome 21. Down syndrome individuals also typically are short and stocky in ...

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