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Articles by Madeleine Geiger
Cranial shape variation in domestication: A pilot study on the case of rabbits
1 INTRODUCTION It is widely acknowledged that the domestication process results in large phenotypic diversity and it is also emphasized how this occurs in historically recent times and thus at a much higher rate than evolution in the wild (e.g., Clutton-Brock, 1999; Herre & Röhrs, 1990; Sánchez-Villagra, 2022).
Modularity patterns in mammalian domestication: Assessing developmental hypotheses for diversification
Abstract The neural crest hypothesis posits that selection for tameness resulted in mild alterations to neural crest cells during embryonic development, which directly or indirectly caused the appearance of traits associated with the “domestication syndrome” (DS). Although representing an appealing unitary explanation for the generation of domestic phenotypes, support for this hypothesis from morphological data and for the validity of the DS remains a topic of debate.
The pace of evolution in domestication
The multitude of varieties of domestic animals is astonishing. It seems natural that for example a short-nosed bulldog, a gracile Greyhound, and an enormous St. Bernard dog all belong to the same kind of organism, or species. And yet, domestic animals represent an extraordinary case of variation.
A longitudinal study of phenotypic changes in early domestication of house mice
AbstractSimilar phenotypic changes occur across many species as a result of domestication, e.g. in pigmentation and snout size. Experimental studies of domestication have concentrated on intense and directed selection regimes, while conditions that approximate the commensal and indirect interactions with humans have not been explored. We examine long-term data on a free-living population of wild house mice that have been indirectly selected for tameness by regular exposure to humans.
Neomorphosis and heterochrony of skull shape in dog domestication
Investigating how novel variation of domesticated forms is generated through changes in development and growth brings new insights into the micro-evolutionary processes of domestication. How do new morphological and behavioural peculiarities of domesticated species arise1,2,3,4?
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