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48 results for “multiple paternity”
Data from: Genetic diversity does not explain variation in extra-pair paternity in multiple populations of a songbird
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Data from: High levels of multiple paternity in a spermcast mating freshwater mussel
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Data from: Does multiple paternity explain phenotypic variation among offspring in wild boar?
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Data from: On the evolutionary consequences of increasing litter size with multiple paternity in wild boar (Sus scrofa scrofa)
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Data from: Does multiple paternity influence offspring disease-resistance?
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Data from: Microsatellite evidence for high frequency of multiple paternity in the marine gastropod Rapana venosa
Background: Inferring of parentage in natural populations is important in understanding the mating systems of a species, which have great effects on its genetic structure and evolution. Muricidae, a large group (approximately 1,600 species) of marine gastropods, are poorly investigated in patterns of multiple paternity and sperm competition based on molecular techniques. The veined Rapa whelk, Rapana venosa, a commercially important muricid species with internal fertilization, is an ideal species to study the occurrence and frequency of multiple paternity and to facilitate understanding of their reproductive strategies. Methodology/Principal Findings: We developed five highly polymorphic microsatellites in R. venosa and applied them to identify multiple paternity in 19 broods (1381 embryos) collected from Dandong, China. Multiple paternity was detected in 17 (89.5%) of 19 broods. The number of sires per brood ranged from 1 to 7 (4.3 on average). Of the 17 multiply sired broods, 16 (94.1%) were significantly skewed from equal paternal contributions, and had a dominant sire which was also dominant in each assayed capsule. Conclusions: Our results indicate that a high level of multiple paternity occurs in the wild population of R. venosa. Similar patterns of multiple paternity in the 2–6 assayed capsules from each brood imply that fertilization events within the body of a female occur mostly (but not entirely) as random draws from a "well-but-not-perfectly blended sperm pool" of her several mates. Strongly skewed distributions of fertilization success among sires also suggest that sperm competition and/or cryptic female choice might be important for post-copulatory paternity biasing in this species.
Figure 1 from: Liu L, Zhang Y, Hu X, Lü Z, Liu B, Jiang LH, Gong L (2019) Multiple paternity assessed in the cuttlefish Sepiella japonica (Mollusca, Cephalopoda) using microsatellite markers. ZooKeys 880: 33-42. https://doi.org/10.3897/zookeys.880.33569
Figure 1 S. japonica mating in the head-to-head position.
Data from: Microsatellite evidence for high frequency of multiple paternity in the marine gastropod Rapana venosa
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.