Results 121 to 130 of about 414 (161)
Unisexuality and Molecular Drive: Bag320 Sequence Diversity in Bacillus Taxa (Insecta Phasmatodea) [PDF]
Journal of Molecular Evolution, 2003 Satellite DNA variability follows a pattern of concerted evolution through homogenization of new variants by genomic turnover mechanisms and variant fixation by chromosome redistribution into new combinations with the sexual process.
Andrea Luchetti +2 more
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Sex determination and evolution of unisexuality in the Conchostraca [PDF]
, 1995 Clay Sassaman
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Evolution of Unisexuality in the Hawaiian Flora: A Test of Microevolutionary Theory [PDF]
Evolution; International Journal of Organic Evolution, 1996 Stewart T Schultz, Fred R Ganders
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Ancestry of unisexual salamanders
Nature, 1992In eastern North America there are populations of all-female salamanders that incorporate the nuclear genomes of two or three of four sympatric bisexual species. The hybrids can be diploid, triploid, tetraploid or pentaploid, and 18 different combinations have been reported. All hybrids require sperm from a sympatric male of one of the bisexual species
S B, Hedges, J P, Bogart, L R, Maxson
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2014
Sexual reproduction is ubiquitous throughout the eukaryotic kingdom, but the capacity of pathogenic fungi to undergo sexual reproduction has been a matter of intense debate. Pathogenic fungi maintained a complement of conserved meiotic genes but the populations appeared to be clonally derived.
Kevin C, Roach +3 more
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Sexual reproduction is ubiquitous throughout the eukaryotic kingdom, but the capacity of pathogenic fungi to undergo sexual reproduction has been a matter of intense debate. Pathogenic fungi maintained a complement of conserved meiotic genes but the populations appeared to be clonally derived.
Kevin C, Roach +3 more
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Uranism and Unisexuality: A Study of the Different Manifestations of the Sexual Instinct [PDF]
Genders and Sexualities in History, 2016 Marc-André Raffalovich
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Protandry, synchronized flowering and sequential phenotypic unisexuality in neotropical Pentagonia macrophylla (Rubiaceae) [PDF]
Oecologia, 1986 Lucinda A Mcdade
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Unisexual reproduction among vertebrates
Trends in Genetics, 2011The past decade has seen a remarkable revision of perspectives on unisexual reproduction in vertebrates. One can no longer view it as a rare curiosity far outside the mainstream of evolution. More than 80 taxa of fish, amphibians, and reptiles are now known to reproduce by parthenogenesis (Greek for 'virgin birth') or its variants, and they persist in ...
William B, Neaves, Peter, Baumann
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Mechanisms of unisexual mating in Cryptococcus neoformans
Fungal Genetics and Biology, 2011Sex serves a pivotal role in genetic exchange and it contributes to the fitness and genetic diversity for eukaryotic populations. Although the importance of the canonical bisexual mating has been widely accepted, the significance of the evolution and maintenance of unisexual mating observed in some eukaryotes is unclear.
Linqi, Wang, Xiaorong, Lin
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Unisexual Flowers in the Ericales
Nature, 1957THE flowers of the Epacridaceae have been described as hermaphrodite1,2 or hermaphrodite, rarely dioecious3, but in the latter case no examples of dioecy are quoted. The following notes concerning species previously described as hermaphrodite indicate that unisexual flowers may be not uncommon in this family.
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