Monogene inheritance of learning speed in DBA and C3H mice

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Abstract
We carried out investigations on C3H, NMRI, C57B1/6, Balb/c, Balb/cN, and DBA inbred mouse strains in the shuttle-box to see whether their learning behavior is genetically controlled. The highly different learning behavior of the parental strains made it possible to test the F1 hybrids and the F2 generation. The environmental influences were standardized as much as possible. In particular, influences possible during the lactation period were excluded by using foster breeding. The results enable us to postulate monogenic inheritance for the learning speed in the shuttle-box. The inheritance is interpreted as codominant. The investigations are part of a basic study in mammalian behavior genetics from the human genetic aspect.