Search for dissertations about: "sexual reproduction"

Showing result 1 - 5 of 91 swedish dissertations containing the words sexual reproduction.

  2. 1. Modelling Sexual Interactions Sexual behaviour and the spread of sexually transmitted infections on dynamic networks

    University dissertation from Stockholm : Department of Mathematics, Stockholm University

    Author : Disa Hansson; Stockholms universitet.; [2019]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Mathematical modelling; Sexually transmitted infections; Egocentric network analysis; Dynamic networks; Sexual behaviour; HIV; Statistical inference; matematisk statistik; Mathematical Statistics;

    Abstract : In this thesis we develop statistical and mathematical models to study different factors of relevance for the spread of sexually transmitted infections (STIs). Two special interest groups for STI interventions are considered: sexually active youths and men who have sex with men (MSM). READ MORE

  4. 2. Sexual Conflict and Gene Expression in Drosophila melanogaster

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Paolo Innocenti; Uppsala universitet.; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Sexual conflict; sexual selection; male-female coevolution; gene expression; transcriptome; microarrays; sexual dimorphism; Drosophila; NATURAL SCIENCES Biology; NATURVETENSKAP Biologi; Biologi med inriktning mot zooekologi; Biology with specialization in Animal Ecology; Biology with specialization in Evolutionary Genetics; Biologi med inriktning mot evolutionär genetik;

    Abstract : Sexual conflict is broadly defined as a conflict between the evolutionary interests of the two sexes. Depending on the genetic architecture of the traits involved, it can occur at the level of male-female interactions or take the form of selection acting to change the mean of a shared trait against the sign of its genetic correlation. READ MORE

  5. 3. Genetic variation and sexual reproduction in a moss with dwarf males, Homalothecium lutescens

    University dissertation from Department of Biology, Lund University

    Author : Frida Rosengren; Lund University.; Lunds universitet.; [2015]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; bryophytes; mosses; dwarf males; sexual reproduction; genetic variation; genetic structure; inbreeding; isozymes; allozymes; SNP; sporophytes; spore; fertilization; fertility;

    Abstract : Dwarf males occur in many unrelated groups of organisms. Among land plants they are unique to mosses. Moss dwarf males originate from male spores that land and germinate on the female where their final size is restricted to a few mm. Fertilization in mosses occur over short distances with swimming spermatozoids. READ MORE

  6. 4. Sexual Selection and Adaptation to Novel Environments

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Ivain Martinossi-Allibert; Uppsala universitet.; [2017]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Sexual selection; Environmental change; Sexual conflict; Environmental stress; Adaptation; Adaptive landscape; Biologi med inriktning mot zooekologi; Biology with specialization in Animal Ecology;

    Abstract : The work included in this thesis aims at exploring the environmental sensitivity of benefits and costs of sexual selection through a combined empirical and theoretical effort, to increase our understanding of the impact of environmental change on sexually reproducing populations.Can sexual selection promote adaptation to novel environments? Sexual selection for good genes should accelerate adaptation by granting higher reproductive success to individuals of high genetic quality. READ MORE

  7. 5. Everyday problems in men with prostate cancer. Aspects of micturition, indwelling urinary catheter treathment and sexual life

    University dissertation from Lund University, Department of Nursing, P.O.Box 198, SE-221 00 LUND, Sweden

    Author : Liselotte Jakobsson; Högskolan Kristianstad.; Lund University.; Lunds universitet.; [2000]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; INTERDISCIPLINARY RESEARCH AREAS Caring sciences Nursing; TVÄRVETENSKAPLIGA FORSKNINGSOMRÅDEN Vårdvetenskap Omvårdnad; oncology; Cytology; sexualitet; reproduktion; andrologi; gynekologi; Obstetrik; sexuality; reproduction; andrology; Nursing care needs; Micturition; Quality of life; cancer; onkologi; Cytologi; cancerology; Prostate cancer; Nursing care; Benign prostatic hyperplasia; Sense of Coherence; Indwelling urinary catheter treatment; Sexual life problems; gynaecology; Obstetrics;

    Abstract : Popular Abstract in Swedish ”Vardagliga problem hos män med prostata cancer. Upplevelser av problem med att kasta vatten, bära kateter och problem i sexuallivet”. READ MORE