Search for dissertations about: "Partner selection"

Showing result 11 - 15 of 44 swedish dissertations containing the words Partner selection.

  2. 11. Pre- and post-copulatory sexual selection in the fowl, Gallus gallus

    Author : Hanne Løvlie; Sven Jakobsson; Tommaso Pizzari; Matthew J. G. Gage; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; cryptic female choice; Gallus; inbreeding avoidance; mate choice; sexual conflict; sexual selection; sperm competition; Ethology and behavioural ecology; Etologi och beteendeekologi; etologi; Ethology;

    Abstract : The evolutionary goal of individuals is reproduction and sexual selection favours traits improving reproductive success. When males invest less than females in offspring, males have potentially a higher reproductive rate than females. READ MORE

  4. 12. Motives, partner selection and productivity effects of M&As : the pattern of Japanese mergers and acquisitions

    Author : Richard H. Nakamura; Handelshögskolan i Stockholm; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Abstract : .... READ MORE

  5. 13. Mutual Mate Choice in the Deep Snouted Pipefish Syngnathus typhle

    Author : Maria Widemo; John D. Reynolds; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Biology; Sexual selection; mutual mate choice; mate competition; sex role reversal; parental investment; Biologi; Biology; Biologi; Animal Ecology; zooekologi;

    Abstract : This thesis integrates the fields of sexual selection, parental investment and sex role theory by investigating mutual mate choice and mate competition in the sex role reversed deep snouted pipefish Syngnathus typhle (Pisces: Syngnathidae) through a series of laboratory experiments. In S. READ MORE

  6. 14. Development and maintenance of quality indicators in pheasants

    Author : Thomas Ohlsson; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; PHA; ELISA; immunocompetence; carotenoid coloration; male ornaments; fluctuating asymmetry; growth; early development; Phasianus colchicus; egg size; sexual selection; Animal ecology; Djurekologi; Ecology; Ekologi;

    Abstract : Females often base their choice of mates on the expression, size or intensity, of male sexual ornaments. Indicator models of sexual selection assume that females assess male genetic quality through the expression of these secondary sexual characters. READ MORE

  7. 15. Molecular and Genetic Evidence for Antigen Selection in the Pathogenesis of Chronic Lymphocytic Leukemia

    Author : Lesley Ann Sutton; Richard Rosenquist; John Gribben; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; IGHV4-34; microenvironment; stereotypy; immunoglobulin; intraclonal diversification; clonal evolution;

    Abstract : Antigens play a critical role in the development of chronic lymphocytic leukemia (CLL) by binding to and stimulating leukemic precursor cells at some point during CLL ontogeny. Nevertheless, much remains unknown and further studies are necessary before an accurate model of antigen-drive can be ascertained. READ MORE