Culture, People, Nature: An Introduction to General Anthropology |
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Page 13
... gene . Often , how- ever , the two genes will differ , and the individual is said to be heterozygous . Variants of the genes may occupy the same locus on each member of the chromosome pair . The variant genes found at a given locus are ...
... gene . Often , how- ever , the two genes will differ , and the individual is said to be heterozygous . Variants of the genes may occupy the same locus on each member of the chromosome pair . The variant genes found at a given locus are ...
Page 15
... gene pool is the total inventory of genes and alleles present in a given population . ) 2. Mutations : These are alterations in the sequence or structure of the nucleotides of the chromosomes that result in new alleles or new genes ...
... gene pool is the total inventory of genes and alleles present in a given population . ) 2. Mutations : These are alterations in the sequence or structure of the nucleotides of the chromosomes that result in new alleles or new genes ...
Page 16
... genes . When acting upon mutations , natural selection can rapidly increase the frequency of a new gene or allele even if the mutation recurs only once in a million duplications . When acting upon genes and alleles already present in the ...
... genes . When acting upon mutations , natural selection can rapidly increase the frequency of a new gene or allele even if the mutation recurs only once in a million duplications . When acting upon genes and alleles already present in the ...
Contents
Biological Evolution | 7 |
FIGURES 11 Anthropologists at Work 289 | 8 |
Population Genetics | 13 |
Copyright | |
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Acheulian achieved adaptive Africa agriculture American Indian ancestors anthropologists australopithecines basic behavior biological bone Bushmen calories cave chimpanzees China chromosomes complex cultural evolution cultural systems descent domesticants domesticated ecological economic ecosystem enculturation energy English etic Europe European evolutionary example exchange extinct female Figure flake food-producers forest fossil function genes genetic grain grammatical groups habilines habitat Hence hominid Hominoidea Homo erectus Homo sapiens human language hunters hunting and gathering increase individuals industrial irrigation labor land linguistic living Lower Paleolithic maize males Mesoamerica Mesolithic Middle East Middle Eastern Middle Paleolithic modern morphemes natural Neolithic occur Old World Olduvai patterns peasants percent phonemes pigs plants and animals political pongids population density potlatch preindustrial primates production racial redistribution relationship reproduction rules sexual skin social societies species structure Tehuacán Teotihuacán tion traits Tsembaga Upper Paleolithic village warfare wild women Yanomamö