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1. Full Text A Guide to Sexual Selection Theory
by Kuijper, Bram and Pen, Ido and Weissing, Franz J
Annual Review of Ecology, Evolution, and Systematics, ISSN 1543-592X, 12/2012, Volume 43, Issue 1, pp. 287 - 311
Mathematical models have played an important role in the development of sexual selection theory. These models come in different flavors and they differ in... 
population genetics | quantitative genetics | evolutionary game theory | adaptive dynamics | mate choice | individual-based simulations | benefits of choice | Quantitative genetics | Mating behavior | Sexual selection | Ecological competition | Evolution | Evolutionary genetics | Population genetics | Modeling | Speciation | Phenotypic traits | PARENTAL CARE | MATING PREFERENCES | COSTLY MATE PREFERENCES | FEMALE PREFERENCES | QUANTITATIVE GENETIC MODELS | CHOICE | EVOLUTIONARY BIOLOGY | EVOLUTION | SYMPATRIC SPECIATION | ECOLOGY | SENSORY ECOLOGY | SPERM COMPETITION | Research | Game theory | Computational biology
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2. Conflict over condition-dependent sex allocation can lead to mixed sex-determination systems
by Bram Kuijper and Ido Pen
Evolution, ISSN 0014-3820, 11/2014, Volume 68, Issue 11, p. 3229
  Theory suggests that genetic conflicts drive turnovers between sex-determining mechanisms, yet these studies only apply to cases where sex allocation is... 
Animal behavior | Genetics | Gene loci | Organisms | Chromosomes
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3. Full Text Conflict over condition-dependent sex allocation can lead to mixed sex-determination systems
: CONFLICT OVER CONDITION-DEPENDENT SEX ALLOCATION
by Kuijper, Bram and Pen, Ido
Evolution, ISSN 0014-3820, 11/2014, Volume 68, Issue 11, pp. 3229 - 3247
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4. Full Text When is incomplete epigenetic resetting in germ cells favoured by natural selection?
by Tobias Uller and Sinead English and Ido Pen and Evolutionary ecology and Evolutionär ekologi and Lund University and Lunds universitet
Proceedings: Biological Sciences, ISSN 0962-8452, 7/2015, Volume 282, Issue 1811, pp. 1 - 8
Resetting of epigenetic marks, such as DNA methylation, in germ cells or early embryos is not always complete. Epigenetic states may therefore persist, decay... 
Epigenetic inheritance | Parental effects | Transgenerational plasticity | Epigenetic reprogramming | Inheritance | Adaptation | PLANT | DNA METHYLATION | INFORMATION | epigenetic reprogramming | inheritance | adaptation | MECHANISMS | EVOLUTIONARY BIOLOGY | EVOLUTION | BIOLOGY | DYNAMICS | ECOLOGY | transgenerational plasticity | epigenetic inheritance | parental effects | PLASTICITY | ERASURE | Animals | Plant Development | Models, Biological | Epigenesis, Genetic | Selection, Genetic | Germ Cells, Plant - physiology | Heredity | Germ Cells - physiology | 1001 | Genetik | Biological Sciences | Naturvetenskap | Genetics | Biologi | Natural Sciences
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5. Full Text A unified model of Hymenopteran preadaptations that trigger the evolutionary transition to eusociality
by Quiñones, Andrés E and Pen, Ido
Nature Communications, ISSN 2041-1723, 06/2017, Volume 8, Issue 1, p. 15920
Explaining the origin of eusociality, with strict division of labour between workers and reproductives, remains one of evolutionary biology's greatest... 
INCLUSIVE FITNESS | MONOGAMY | SEX-RATIOS | BEHAVIOR | HELPERS | MULTIDISCIPLINARY SCIENCES | SELECTION | HAPLODIPLOIDY | LIFE | WASP | Adaptation, Physiological | Biological Evolution | Sexual Behavior, Animal | Animals | Models, Biological | Social Behavior | Hibernation | Hymenoptera - physiology | Female | Male | Hymenoptera - genetics | Breeding | Eusociality | Biological evolution | Monogamy | Sex | Abundance | Evolutionary genetics | Sex ratio | Maternal behavior | Demographics | Life cycle engineering | Workers (insect caste) | Mathematical models | Females | Life cycles
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6. Sex ratios
: concepts and research methods
by Hardy, Ian C. W
2002, ISBN 9780521818964, xii, 424
Covering sex allocation, sex determination and operational sex ratios, this multi-author volume provides both a conceptual context and an instruction in... 
Sex ratio
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7. Full Text The information value of non-genetic inheritance in plants and animals
by English, Sinead and Pen, Ido and Shea, Nicholas and Uller, Tobias and Evolutionary ecology and Evolutionär ekologi and Lund University and Lunds universitet
Plos one, ISSN 1932-6203, 01/2015, Volume 10, Issue 1, p. e0116996
Parents influence the development of their offspring in many ways beyond the transmission of DNA. This includes transfer of epigenetic states, nutrients,... 
DEVELOPMENTAL PLASTICITY | LOCUST PHASE POLYPHENISM | EVOLUTIONARY CONSEQUENCES | SCHISTOCERCA-GREGARIA | LIFE-HISTORIES | MULTIDISCIPLINARY SCIENCES | NATURAL-SELECTION | POPULATIONS | ENVIRONMENTAL-CONDITIONS | TRANSGENERATIONAL EPIGENETIC INHERITANCE | DESERT LOCUST | Plants - metabolism | Animals | Heredity - physiology | Selection, Genetic | Epigenetic inheritance | Parent and child | Analysis | Sperm | Zoology | Biological evolution | Parents | Antibodies | Environmental changes | Hormones | Transgenic plants | Desert environments | Locusts | Genotype & phenotype | DNA methylation | Nutrients | Genetic factors | Deoxyribonucleic acid--DNA | Cues | Life history | Computer simulation | Germination | Heredity | Embryos | Environmental conditions | Seed germination | Offspring | Maternal effects | Epigenetics | Random variables | Evolution & development | Biological Sciences | Biologi | Naturvetenskap | Natural Sciences | Deoxyribonucleic acid | DNA
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8. Full Text Sex allocation and investment into pre- and post-copulatory traits in simultaneous hermaphrodites: the role of polyandry and local sperm competition
by Lukas Schärer and Ido Pen
Philosophical Transactions: Biological Sciences, ISSN 0962-8436, 3/2013, Volume 368, Issue 1613, pp. 1 - 14
Sex allocation theory predicts the optimal allocation to male and female reproduction in sexual organisms. In animals, most work on sex allocation has focused... 
Spermatozoa | Sex allocation | Mating behavior | Sexual selection | Ecological competition | Male animals | Evolution | Ova | Sperm competition | Financial investments
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9. Full Text Cooperation and Competition between Relatives
by Stuart A. West and Ido Pen and Ashleigh S. Griffin
Science, ISSN 0036-8075, 4/2002, Volume 296, Issue 5565, pp. 72 - 75
Individuals are predicted to behave more altruistically and less competitively toward their relatives, because they share a relatively high proportion of their... 
Social insects | Biological altruism | Biological competition | Ecological competition | Kin selection | Evolution | Insect colonies | Insect reproduction | Altruism | Review | Economic competition | Breeding | Cooperative Behavior | Models, Psychological | Male | Psychology, Social | Mathematics | Biological Evolution | Competitive Behavior | Reproduction | Animals | Female | Population Dynamics | Social behavior in animals | Kin selection (Evolution) | Research
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10. Full Text A THEORETICAL MODEL OF THE EVOLUTION OF MATERNAL EFFECTS UNDER PARENT-OFFSPRING CONFLICT
by Tobias Uller and Ido Pen
Evolution, ISSN 0014-3820, 7/2011, Volume 65, Issue 7, pp. 2075 - 2084
The evolution of maternal effects on offspring phenotype should depend on the extent of parent-offspring conflict and costs and constraints associated with... 
Simulations | Capital costs | Phenotypes | Alleles | Evolution | Maternal effect | Hormones | Modeling | Cost efficiency | Production costs | parent–offspring conflict | phenotypic plasticity | Dispersal | maternal effects | Phenotypic plasticity | Maternal effects | Parent-offspring conflict | FITNESS | LIFE-HISTORIES | KIN SELECTION | parent-offspring conflict | COADAPTATION | MECHANISMS | EVOLUTIONARY BIOLOGY | GENETICS & HEREDITY | ECOLOGY | YOLK | BIRDS | HORMONES | Biological Evolution | Phenotype | Reproduction | Animals | Maternal Behavior | Conflict (Psychology) | Environment | Female | Models, Genetic | Research | Dispersal (Ecology) | Natural selection | Biological Sciences | Evolutionsbiologi | Biologi | Naturvetenskap | Natural Sciences | Evolutionary Biology
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11. Full Text An Evolutionary Perspective on Self-Organized Division of Labor in Social Insects
by Duarte, Ana and Weissing, Franz J and Pen, Ido and Keller, Laurent
Annual Review of Ecology, Evolution, and Systematics, ISSN 1543-592X, 12/2011, Volume 42, Issue 1, pp. 91 - 110
Division of labor is a complex phenomenon observed throughout nature. Theoretical studies have focused either on its emergence through self-organization... 
behavioral specialization | multilevel selection | emergent properties | caste | Social insects | Ants | Honey bee colonies | Worker insects | Insect colonies | Evolution | Insect genetics | Insect castes | Division of labor | Insect behavior | TEMPORAL POLYETHISM | TASK ALLOCATION | AGE POLYETHISM | COLONY SIZE | NEST-SITE SELECTION | SEX-RATIO CONFLICT | RESPONSE THRESHOLDS | HONEY-BEE | ANTS HYMENOPTERA | GENETIC DIVERSITY | EVOLUTIONARY BIOLOGY | ECOLOGY | Insects
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