Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"good genes"”.
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Immunocompetence, testosterone and breeding success in red bishop (Euplectes orix)
… ('immunocompetence-handicap hypothesis', 'good-genes hypothesis', 'compatible-genes hypothesis, and 'sex-allocation theory'), and with respect to possible influences of environmental factors on the immune system.
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Beautiful People Are Better, at Least Online: Associations Between Photo Attractiveness and Text Attractiveness in Women's Online Dating Profiles
… performed by Brand and colleagues (2012). Good Genes Theory, Halo Effect, Physical Attractiveness Stereotype, and Social Information Procession theory were also used to explore what function appearance truly plays in online dating and how it influences a user's written text.</p> <p>83 men …
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Constraints on the evolution of attractive traits: Natural selection, sexual selection and quantitative genetics in the zebra finch
… research was to test several predictions of the good-genes and runaway sexual selection hypotheses. In a 19 month breeding experiment, I found that redder billed males have more offspring that survive to independence due to their high reproductive rate. In contrast, redder billed females had few …
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Individual reproductive strategies in the dusky warbler (Phylloscopus fuscatus)
… by seeking extra-pair fertilisations from good singers (good-genes hypothesis). In general, the present study demonstrates that a complete understanding of avian mating systems is not possible without a detailed analysis of alternative behavioural strategies and of how individuals adjust …
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Women’s Status and Trade-Offs in Mate-Preferences
… preference for physical attractiveness (i.e. good genes) which suggests flexibility in mating depending on context. Stud 3 introduced isoclines as a means of measuring equivalency trade-offs and explored how gender role engagement is related to status, for both male and female participants. …
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Evidence pro přímé a nepřímé výhody plynoucí samicím ze sexuální promiskuity u obratlovců
Promiskuitní chování samic je pozorováno u mnoha skupin obratlovců ovšem vysvětlení tohoto jevu včetně výhod, které z něj plynou samicím, zůstávají nejasné. Hypotézy, které by tento jev měly vysvětlovat, lze rozdělit na adaptivní a neadaptivní. Dle adaptivních hypotéz jsou samice promiskuitní, …
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Evolution of major histocompatibility complex genes in New World bats and their functional importance in parasite resistance and life-history decisions in the lesser bulldog bat (Noctilio albiventris)
Immune genes of the major histocompatibility complex (MHC) constitute a central component of the adaptive immune system and play an essential role in parasite resistance and associated life-history strategies. In addition to pathogen-mediated selection also sexual selection mechanisms have been …