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“Probable mutation effect” and the evolution of hominid teeth and jaws
Author(s) -
Brues Alice M.
Publication year - 1966
Publication title -
american journal of physical anthropology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.146
H-Index - 119
eISSN - 1096-8644
pISSN - 0002-9483
DOI - 10.1002/ajpa.1330250210
Subject(s) - reduction (mathematics) , mutation , orthodontics , dentistry , line (geometry) , biology , medicine , genetics , mathematics , geometry , gene
In view of recent suggestions that tooth and jaw reduction in the hominid line was due to random mutation, it is pointed out that positive selective factors, involving greater chewing efficiency and increased speed in movements of the head, may have been at work.