Dictionary of Human Evolution and Biology

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Nonlithic Model

Hypothetical account of the amorphous nature of Pleistocene Southeast Asian Paleolithic assemblages, advanced to explain the absence of Acheulean assemblages in the Far East. The exploitation of lightweight but strong materials such as bamboo, wood, rattan, and liana is central to the model. Aka lignic model. nonMendelian (inheritance): pertaining to any mechanism that distorts chromosome segregation ratios, or concerns an extrachromosomal hereditary factor. nonMendelian mechanisms: any of a number of inherited patterns of gene or DNA transmission which do not follow the classical patterns of inheritance (dominance, codominance, recessive, etc.); examples of non-Mendelian mechanisms include genomic imprinting, position effect, slippage, and unequal crossing over.

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