Results 11 to 20 of about 23,229 (278)

Mating behavior of Pseudococcus calceolariae and Pseudococcus longispinus (Hemiptera: Pseudococcidae): are asexual reproduction and hybridization possible? [PDF]

open access: yesJ Insect Sci, 2023
The study of insect reproduction is important from both basic and applied perspectives, particularly in mealybugs (Hemiptera: Pseudococcidae), because of the diversity of reproduction modes and also because they are important agricultural pests.
Ballesteros C   +2 more
europepmc   +2 more sources

Evidence for stronger discrimination between conspecific and heterospecific mating partners in sexual vs. asexual female freshwater snails [PDF]

open access: yesPeerJ, 2022
Once-useful traits that no longer contribute to fitness tend to decay over time. Here, we address whether the expression of mating-related traits that increase the fitness of sexually reproducing individuals but are likely less useful or even costly to ...
Sydney Stork   +2 more
doaj   +2 more sources

Asexual reproduction in the Hydrozoa (Cnidaria)

open access: yes, 2002
A thorough review of asexual reproduction patterns of ...
J. BOUILLON   +3 more
core   +2 more sources

Mitochondrial Genomes of Two Asexual Trichogramma (Hymenoptera: Trichogrammatidae) Strains and Comparison with Their Sexual Relatives

open access: yesInsects, 2022
Despite its substantial costs, sexual reproduction dominates in animals. One popular explanation for the paradox of sex is that asexual reproduction is more likely to accumulate deleterious mutations than sexual reproduction.
Zhi-Chao Yan   +3 more
doaj   +1 more source

Influence of the mode of reproduction on dispersal evolution during species invasion [PDF]

open access: yesESAIM: Proceedings and Surveys, 2020
We consider a reaction-diffusion-reproduction equation, modeling a population which is spatially heterogeneous. The dispersion of each individuals is influenced by its phenotype.
Calvez Vincent   +6 more
doaj   +1 more source

Distinct patterns of gene expression during regeneration and asexual reproduction in the annelid Pristina leidyi. [PDF]

open access: yesJ Exp Zool B Mol Dev Evol, 2022
Regeneration, the ability to replace lost body parts, is a widespread phenomenon in the animal kingdom often connected to asexual reproduction or fission, since the only difference between the two appears to be the stimulus that triggers them.
Del Olmo I, Verdes A, Álvarez-Campos P.
europepmc   +2 more sources

Thelytokous parthenogenesis in the fungus-gardening ant Mycocepurus smithii (Hymenoptera: Formicidae). [PDF]

open access: yesPLoS ONE, 2009
The general prevalence of sexual reproduction over asexual reproduction among organisms testifies to the evolutionary benefits of recombination, such as accelerated adaptation to changing environments and elimination of deleterious mutations.
Christian Rabeling   +5 more
doaj   +1 more source

Transgenerational effects and temperature variation alter life history traits of the moon jellyfish

open access: yesFrontiers in Marine Science, 2022
Understanding the life history strategy of organisms is key to predicting their population dynamics. The population of scyphozoan jellyfish has displayed an increasing trend in recent decades, yet its life history strategy is not fully understood.
Xupeng Chi   +10 more
doaj   +1 more source

Density, parasitism, and sexual reproduction are strongly correlated in lake Daphnia populations

open access: yesEcology and Evolution, 2021
Many organisms can reproduce both asexually and sexually. For cyclical parthenogens, periods of asexual reproduction are punctuated by bouts of sexual reproduction, and the shift from asexual to sexual reproduction has large impacts on fitness and ...
Camden D. Gowler   +4 more
doaj   +1 more source

Interploidy gene flow involving the sexual-asexual cycle facilitates the diversification of gynogenetic triploid Carassius fish

open access: yesScientific Reports, 2021
Asexual vertebrates are rare and at risk of extinction due to their restricted adaptability through the loss of genetic recombination. We explore the mechanisms behind the generation and maintenance of genetic diversity in triploid asexual (gynogenetic ...
Tappei Mishina   +11 more
doaj   +1 more source

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