Body size variation in hybrids among populations of European water frogs (Pelophylax esculentus complex) with different breeding systems
نویسندگان
چکیده
منابع مشابه
Genetic diversity in water frog hybrids (Pelophylax esculentus) varies with population structure and geographic location.
Pelophylax esculentus is a hybridogenetic frog originating from matings between P. ridibundus (RR) and P. lessonae (LL). Typically, diploid hybrids (LR) live in sympatry with one of their parental species, upon which they depend for successful reproduction. In parts of their range, however, pure hybrid populations can be found. These hybrid populations have achieved reproductive independence fr...
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The European water frog Pelophylax esculentus is a natural hybrid between P. lessonae (genotype LL) and P. ridibundus (RR). It reproduces through hybridogenesis, eliminating one parental genome from its germline and producing gametes containing the genome of the other parental species. According to previous studies, this elimination and transmission pattern is very diverse. In mixed populations...
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Large-scale systematic patterns of body size are a basic concern of evolutionary biology. Identifying body size variation along altitudinal gradients may help us to understand the evolution of life history of animals. In this study, we investigated altitudinal variation in body size, age and growth rate in Chinese endemic frog, Pelophylax pleuraden. Data sampled from five populations covering a...
متن کاملFrom clonal to sexual hybrids: genetic recombination via triploids in all-hybrid populations of water frogs.
Speciation via interspecific hybrids is very rare in animals, as compared to plants. Whereas most plants overcome the problem of meiosis between different chromosome sets by tetraploidization, animal hybrids often escape hybrid sterility by clonal reproduction. This comes at the expense of genetic diversity and the ability to purge deleterious mutations. However, here we show that all-hybrid po...
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ژورنال
عنوان ژورنال: Amphibia-Reptilia
سال: 2020
ISSN: 0173-5373,1568-5381
DOI: 10.1163/15685381-bja10005