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Vliv pachové preference na reprodukční úspěch u hraboše polního
BÍLKOVÁ, Pavlína
The aim of this work is to find out whether odor preference can affect the reproductive success of voles. Odors are generally able to reveal a lot of information about his carrier, according to which individuals may be able to choose a more compatible partner. With this partner, they increase the probability of transferring good genes to their offspring. The more investing sex is the one he chooses, and for most species it is the females. In the T-labyrinth, we gave the females a choice of odors from two males and, according to the time spent with one or the other, we evaluated the preference for one of them using a monitoring program. The females were then paired with either the male they preferred or the male they did not prefer. The number of pups from each pair was the main indicator for evaluating our results. These show that female voles are able to choose a more suitable partner according to their smell, with whom they produce more offspring.
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Mechanisms of assortative mating in humans
Dudková, Tamara ; Havlíček, Jan (advisor) ; Bártová, Klára (referee)
Two main principles of the relationship formation were previously established: i) homogamy and ii) heterogamy. According to the principle of homogamy, partners tend to be similar to each other. In contrast, heterogamy states that partners' characteristics differ. The theory of homogamy has reached significantly higher empirical support, however it is still unclear which mechanisms lead to similarities between partners. Potential mechanisms involve proximity (geography and social propinquity/proximity), preference for self-similarity, convergence (mutual assimilation) during cohabitation etc. Several previous studies showed, the similarity between partners in various social-demographic, physical, and attitudinal characteristics among others contributes to the relationship satisfaction. The main aim of the proposed bachelor thesis, is to perform a review of the relevant literature and analyse which mechanisms of homogamy and heterogamy apply to various characteristics and whether their role vary according to the type of the relationship (i.e. open relationships, marriages, etc.)
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