Inheritance of litter size at birth in the Brazilian grass mouse (Akodon cursor,Sigmodontinae, Rodentia) |
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| Authors: | Aulchenko Yu S Araripe L O D'Andrea P S Shishkin A A Cerqueira R Borodin P M Axenovich T I |
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| Affiliation: | Institute of Cytology and Genetics, Russian Academy of Science, 630090 Novosibirsk, Russia. |
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| Abstract: | By means of complex segregation analysis we studied the inheritance of litter size in two large pedigrees of captive-bred colonies of the Brazilian grass mouse Akodon cursor. Genetic analysis has revealed a highly significant influence of genetic factors on the variation of litter size (heritability, h2, was estimated as 0.44). The inheritance followed the classical polygene model: neither the major-gene model nor the polygene with unequal contribution model described the data significantly better. |
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