Showing 41 - 60 results of 431 for search '"parthenogenesis"', query time: 0.22s Refine Results
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    Sexual conflict over the maintenance of sex: effects of sexually antagonistic coevolution for reproductive isolation of parthenogenesis. by Kazutaka Kawatsu

    Published 2013-01-01
    “…In contrast, for males, any trait coercing parthenogens into sexual reproduction (male coercion) increases their fitness and should be under positive selection because parthenogenesis deprives them of their genetic contribution to future generations. …”
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    Intragenomic conflict in populations infected by Parthenogenesis Inducing <it>Wolbachia </it>ends with irreversible loss of sexual reproduction by Stouthamer Richard, Russell James E, Vavre Fabrice, Nunney Leonard

    Published 2010-07-01
    “…<p>Abstract</p> <p>Background</p> <p>The maternally inherited, bacterial symbiont, parthenogenesis inducing (PI) <it>Wolbachia</it>, causes females in some haplodiploid insects to produce daughters from both fertilized and unfertilized eggs. …”
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    Characteristics of parthenogenesis in Cacopsylla ledi (Flor, 1861) (Hemiptera, Sternorryncha, Psylloidea): cytological and molecular approaches by Seppo Nokkala, Valentina G. Kuznetsova, Christina Nokkala

    Published 2017-11-01
    “…Characteristics of parthenogenesis in Cacopsylla ledi (Flor, 1861) were analyzed using cytological and molecular approaches. …”
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    Facultative parthenogenesis: a transient state in transitions between sex and obligate asexuality in stick insects? by Larose, Chloé, Lavanchy, Guillaume, Freitas, Susana, Parker, Darren J., Schwander, Tanja

    Published 2023-07-01
    “…Transitions from obligate sex to obligate parthenogenesis have occurred repeatedly across the tree of life. …”
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    A non-Ovidian myth in the Ovidius Moralizatus: the double parthenogenesis of Pallas and Vulcan according to Petrus Berchorius by Elena Moscara

    Published 2024-01-01
    “…I will discuss how Berchorius combined three mythological motifs – Juno’s gynogenesis of Vulcan as a direct response to the parthenogenesis of Pallas from Jupiters’ head, Vulcan’s fall at Lemnos, and his marriage to Venus – and how he allegorically interpreted them. …”
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    Gradual, temperature-induced change of secondary sexual characteristics in Trichogramma pretiosum infected with parthenogenesis-inducing Wolbachia by Su-fang Ning, Jin-cheng Zhou, Quan-quan Liu, Qian Zhao, Hui Dong

    Published 2019-08-01
    “…In this paper, Wolbachia-infected Trichogramma pretiosum (T. preW+) that shows thelytokous parthenogenesis were used as subjects. In order to determine the causes of the T. preW+ intersex and the influence of parental generation temperature on gradual changes in secondary masculinization in intersex offspring, we examined the occurrence of intersex offspring (F1 and F2 generation) after the parental generations were treated with high temperature (27, 29, 31, and 33 °C) and described the external morphology of the intersexes. …”
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    Genetic evidence for parthenogenesis in the small carpenter bee Ceratina dallatoreana (Apidae, Ceratinini) in its native distribution range by Michael Mikát, Jakub Straka

    Published 2023-02-01
    “…We also classify the cytological mode of this parthenogenesis as apomixis, or automictic parthenogenesis with central fusion and extremely reduced or non-existing recombination, because offspring showed no decrease of heterozygosity. …”
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    The first gynandromorph of a zorapteran and potential thelytokous parthenogenesis in a population of Zorotypus brasiliensis Silvestri (Zoraptera: Zorotypidae) by José Albertino Rafael, Dayse Willkenia Almeida Marques, Michael S. Engel

    Published 2017-10-01
    “…As has been previously surmised for this species, the sample consisted of only females, tending to support the hypothesis of thelytokous parthenogenesis for this population. The gynandromorph is largely female in outward appearance, but exhibits male secondary sexual traits on the left side of the apical abdominal segments. …”
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    The first gynandromorph of a zorapteran and potential thelytokous parthenogenesis in a population of Zorotypus brasiliensis Silvestri (Zoraptera: Zorotypidae) by José Albertino Rafael, Dayse Willkenia Almeida Marques, Michael S. Engel

    “…As has been previously surmised for this species, the sample consisted of only females, tending to support the hypothesis of thelytokous parthenogenesis for this population. The gynandromorph is largely female in outward appearance, but exhibits male secondary sexual traits on the left side of the apical abdominal segments. …”
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    Mating-Induced Trade-Offs upon Egg Production versus Fertilization and Offspring’s Survival in a Sawfly with Facultative Parthenogenesis by Hong Yu, Min-Rui Shi, Jin Xu, Peng Chen, Jian-Hong Liu

    Published 2021-08-01
    “…Here, we used RNAseq and bioinformatics to reveal mating-induced changes of genes and pathways related to reproduction and survival in female <i>Cephalcia chuxiongica</i>, a pine defoliator with facultative parthenogenesis and long larval dormancy. Results showed that mating induced substantial downregulation on genes and pathways associated to immunity, stress response, and longevity. …”
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