Human Variation in Space and TimeW. C. Brown Company, 1976 - 88 Seiten |
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Seite 49
... cells of the body possess genes , but it is the set of spe- cialized sex cells ( gametes ) of the reproduc- that ... cell outside the nu- cleus and acts as a synthesizer of proteins . The physical manifestation of an individ- ual's ...
... cells of the body possess genes , but it is the set of spe- cialized sex cells ( gametes ) of the reproduc- that ... cell outside the nu- cleus and acts as a synthesizer of proteins . The physical manifestation of an individ- ual's ...
Seite 50
... cells divide , which is their method of reproduction , there is a re- shuffling of chromosomes which makes daugh- ter cells different , a process called meiotic cell division . This does not occur in the body ( somatic ) cells , which ...
... cells divide , which is their method of reproduction , there is a re- shuffling of chromosomes which makes daugh- ter cells different , a process called meiotic cell division . This does not occur in the body ( somatic ) cells , which ...
Seite 52
... cell ( male gamete ) . Differ- ences in identical twins are due to nongenetic factors . So - called fraternal twins are offspring conceived simultaneously when two different ova are fertilized by two different sperm cells . After the sperm ...
... cell ( male gamete ) . Differ- ences in identical twins are due to nongenetic factors . So - called fraternal twins are offspring conceived simultaneously when two different ova are fertilized by two different sperm cells . After the sperm ...
Inhalt
Of Men and Monsters | 5 |
Development of the Race Concept | 23 |
Evolution of Ancient and Living Populations | 48 |
Urheberrecht | |
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adaptive Africa anatomical Ancient and Living animals anthro anthropologists anthropometric antiquity areas Aryan Ashley Montagu Asia behavior biological variations biologists Bushmen called cell century A.D. chromosomes contemporary cranial creatures cultural Darwin descendants earlier early environmental ethnocentric Europe European Evolution of Ancient evolutionary fossil gametes gene flow gene pool genetic genetic drift geographical Greek habitat Homo erectus Homo sapiens human diversity human groups human populations human variation idea individuals Linnaeus Living Populations living things London man's biological mankind ment Mesolithic migration modern monogenesis mutation native Americans natural selection Neanderthals Neolithic organisms Origin of Species origins phenotypic phenotypic characters physical Pleistocene polygenesis polygenic prehistoric Prichard race concept race formation racial classifications racism scientific skeletal social species specimens study of human subspecies survival taxonomy term race theory thousand years ago tion traits trans tribes ulations uniformitarian University variability writers York