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The Crucial Evidence for Human Evolution Penrose Memorial Lecture
A Centennial View I MICHAEL LERNER
Variation and Hereditary Transmission CURT STERN
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adaptive Amer American Philosophical Society ancestors Australopithecus breeding caused changes characters Charles Darwin chromo chromosomes classification climate common ancestry conclusion crossing cultivated plants Darwin diploid distribution Dobzhansky domestic animals Drosophila ecological effects environment evidence evolution evolutionary evolved example fact fertility forms fossil record gemmules genera genes genetic genetic loads genotypes genus geographical groups hereditary heterozygotes heterozygous hominid Homo sapiens homology homoplasy homozygotes homozygous hybrids hypothesis important inbreeding increased individuals inheritance introgression isolation kinds known lethal living mammals Mayr Mendel ment modern morphological Mousterian mutation natural populations natural selection naturalists occur offspring organisms Origin of Species paleontology parental species pattern phylogeny Pithecanthropus plants and animals polymorphism polyploids present preserved problem progeny propinquity of descent races recombination reproductive result segregation sequence similar skull Spassky speciation Stebbins sterility structure taxonomists taxonomy term theory tion types variability variation varieties vertebrates wild zoogeography