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Gonochorism - Wikipedia, the free encyclopedia
In biology, gonochorism ( Greek offspring + disperse) or unisexualism describes sexually reproducing species in which individuals have just one of at least two distinct sexes. The term is most o...
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The three Whiptail Lizards on view in the Hall of Reptiles and Amphibians all play a part in one of the greatest mysteries of nature.The New Mexico Whiptail, ... Most products of crossbreeding, such as the mule, are sterile. But the New Mexico Whiptail, ... Scientists understand only partially how this reproductive mode developed,
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Unisexual - Definition of Unisexual at Dictionary.com a free online dictionary with pronunciation, synonyms, and translation of Unisexual. Look it up now! ... Use unisexual in a Sentence...
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Examples of some unisexual salamanders in Ohio from Henry County (top left and right), Kelleys Island (bottom left) and Wood County (bottom right). Unisexual salamanders can be diploid, triploid, tetraploid, or even pentaploid and may have "mixed" genotypes of the Blue-spotted Salamander, Small-mouth Salamander,
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Identification of intergenomic recombinations in unisexual salamanders of the genus Ambystoma by genomic in situ hybridization (GISH); K. Bi, J.P. Bogart; Department of Integrative Biology, University of Guelph, Guelph, Ontario (Canada);
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Normally, parasitoid wasps produce sons from unfertilized eggs and daughters from fertilized eggs. This reproduction is a mix of parthenogenetic (ie...
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Unisexual salamanders in the genus Ambystoma are common around the Great Lakes region in eastern North America. They originated from a hybridization event that involved a female that shared a common ancestor with Ambystoma barbouri 2.4 to 3.9 million years ago but, unexpectedly, A.
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Unisexual flower morphology was examined within a phylogenetic context in order to identify developmental transitions associated with the multiple origins of dioecy in flowering plants.
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We investigated spikelet development in four distantly related species of the grass tribe Andropogoneae to determine whether spikelet development and the formation of unisexual florets are uniform throughout the tribe.
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More rarely, only organs of a single sex are initiated and the floral meristems are thus unisexual. ... The unisexual nature of black cottonwood floral meristems allows sex-specific differences in gene expression patterns to be discerned early in floral development.
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