| Autor: |
Bianki, V. L., Kaidanov, L. Z., Novikov, S. N. |
| Zdroj: |
Neuroscience and Behavioral Physiology; March 1982, Vol. 12 Issue: 2 p162-168, 7p |
| Abstrakt: |
Conclusions 1.Two-way breeding for the direction of lateralization of the forelimb in five generations of mice proved to be ineffective and did not lead to the appearance of interlinear differences.2.The ratio of the frequencies of phenotypical classes of mice is the same in the progeny of right-handed and left-handed parents.3.In the course of breeding of the mice, phenotypes with weak and strong asymmetry were eliminated and the number of individuals with an average value of asymmetry was increased. An originally polymorphic population acquired a distinctly bimodal distribution by the fifth generation.4.In the mouse population investigated the number of right-handed individuals was greater than the number of left-handed.5.Genotype controls the degree of lateralization of the forelimbs in mice, whereas the direction of lateralization is not under strict genetic control. |
| Databáze: |
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