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The Case for Saltational Events in Human Evolution

Ian Tattersall

in The Speciation of Modern Homo Sapiens

Published in print:
2004
Published Online:
January 2012
ISBN:
9780197263112
eISBN:
9780191734885
Item type:
chapter
Publisher:
British Academy
DOI:
10.5871/bacad/9780197263112.003.0004
Subject:
Archaeology, Prehistoric Archaeology

This chapter argues the case that the speciation of modern Homo sapiens exemplifies the principle of punctuated equilibria, i.e. it is a saltational change. Evolutionary saltation is a rather ... More


Sexual Selection, Timing and an X–Y Homologous Gene: Did Homo Sapiens Speciate on the Y Chromosome?

Tim J. Crow

in The Speciation of Modern Homo Sapiens

Published in print:
2004
Published Online:
January 2012
ISBN:
9780197263112
eISBN:
9780191734885
Item type:
chapter
Publisher:
British Academy
DOI:
10.5871/bacad/9780197263112.003.0011
Subject:
Archaeology, Prehistoric Archaeology

This chapter provides a theory of the speciation of modern Homo sapiens, that a single gene played a critical role in the transition from a precursor species. The theory is founded upon the ... More


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