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Determination of Onset of Sexual Maturation and Mating Behavior by Melanocortin Receptor 4 Polymorphisms
Fine‐scale genetic pattern and evidence for sex‐biased dispersal in the túngara frog, Physalaemus pustulosus
- K. P. Lampert, A. S. Rand, U. Mueller, M. Ryan
- Biology, Environmental ScienceMolecular ecology
- 1 December 2003
This study used seven highly polymorphic microsatellite loci to investigate fine‐scaled genetic variation in the túngara frog, and analysed the influence of geographical distance on observed genetic patterns, examined the impact of a river on gene flow, and tested for sex‐biased dispersal.
Facultative Parthenogenesis in Vertebrates: Reproductive Error or Chance?
- K. P. Lampert
- Biology, Environmental ScienceSexual Development
- 1 March 2009
The current knowledge about facultative parthenogenesis in the different vertebrate groups is summarized, mechanisms of diploid oocyte formation are introduced and the genetic consequences and potential evolutionary impact of facultative Parthenogenetic development in vertebrates are discussed.
Monophyletic origin of multiple clonal lineages in an asexual fish (Poecilia formosa)
The molecular phylogenetic evidence and the failure to resynthesize the gynogenetic P. formosa together with the old age of the species indicate that some unisexual vertebrates might be rare not because they suffer the long‐term consequences of clonal reproduction but because they are only very rarely formed as a result of complex genetic preconditions necessary to produce viable and fertile clonal genomes and phenotypes.
A bisexually reproducing all-triploid vertebrate
Reports are reported of geographically isolated populations of green toads (Bufo viridis complex) that are all-triploid and reproduce bisexually.
Clonal polymorphism and high heterozygosity in the celibate genome of the Amazon molly
The data suggest that asexual vertebrate lineages are scarce not because they are at a disadvantage, but because the genomic combinations required to bypass meiosis and to make up a functioning hybrid genome are rarely met in nature.
More than one genotype: how common is intracolonial genetic variability in scleractinian corals?
- M. Schweinsberg, L. C. Weiss, Sebastian Striewski, R. Tollrian, K. P. Lampert
- BiologyMolecular ecology
- 1 June 2015
Intracolonial genetic variability is widespread in scleractinian corals and could challenge the view of a coral colony as an individual and therefore a unit of selection, however, it might also hold potential for colony survival under rapidly changing environmental conditions.
Automictic Reproduction in Interspecific Hybrids of Poeciliid Fish
Cassiopea and Its Zooxanthellae
- K. P. Lampert
- Environmental Science
This chapter summarizes the knowledge of the symbiosis of Cassiopea and its zooxanthellae focusing on uptake and choice of symbiosis partners by Cassiopes as well as the adaptations making the co-operation possible.
Putting Toe Clipping into Perspective: A Viable Method for Marking Anurans
It is recommended that not more than four toes should be clipped and at most a single toe removed on each leg, and functionally important toes such as the proximal toes of front feet and fourth toes of hind feet should be spared.