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Genetics of Speciation [PDF]

open access: yesJournal of Heredity, 2007
The American Genetics Association (AGA) is a nonprofit membership society whose mission is to promote the study of genetics. To meet this obligation, the AGA publishes the Journal of Heredity and promotes research in all fields of genetics. The latter is accomplished through an annual meeting and symposium, as well as by sponsorship of special events ...
openaire   +1 more source

Gene flow mediates the role of sex chromosome meiotic drive during complex speciation

open access: yeseLife, 2018
During speciation, sex chromosomes often accumulate interspecific genetic incompatibilities faster than the rest of the genome. The drive theory posits that sex chromosomes are susceptible to recurrent bouts of meiotic drive and suppression, causing the ...
Colin D Meiklejohn   +10 more
doaj   +1 more source

In search of the Goldilocks zone for hybrid speciation. [PDF]

open access: yesPLoS Genetics, 2018
Hybridization has recently gained considerable interest both as a unique opportunity for observing speciation mechanisms and as a potential engine for speciation. The latter remains a controversial topic.
Alexandre Blanckaert, Claudia Bank
doaj   +1 more source

Chloroplast DNA insights into the phylogenetic position and anagenetic speciation of Phedimus takesimensis (Crassulaceae) on Ulleung and Dokdo Islands, Korea.

open access: yesPLoS ONE, 2020
Phedimus takesimensis (Ulleungdo flat-leaved stonecrop) is endemic to Ulleung and Dokdo Islands off the east coast of the Korean Peninsula. It was suggested that P. takesimensis originated via anagenetic speciation from the continental progenitor species
Hee-Seung Seo   +2 more
doaj   +1 more source

Speciation and the developmental alarm clock

open access: yeseLife, 2020
New species arise as the genomes of populations diverge. The developmental ‘alarm clock’ of speciation sounds off when sufficient divergence in genetic control of development leads hybrid individuals to infertility or inviability, the world awoken to the
Asher D Cutter, Joanna D Bundus
doaj   +1 more source

Host-plant adaptation as a driver of incipient speciation in the fall armyworm (Spodoptera frugiperda)

open access: yesBMC Ecology and Evolution, 2022
Background Divergent selection on host-plants is one of the main evolutionary forces driving ecological speciation in phytophagous insects. The ecological speciation might be challenging in the presence of gene flow and assortative mating because the ...
Estelle Fiteni   +8 more
doaj   +1 more source

Whole-Genome Diversification Analysis of the Hornbeam Species Reveals Speciation and Adaptation Among Closely Related Species

open access: yesFrontiers in Plant Science, 2021
Speciation is the key evolutionary process for generating biological diversity and has a central place in evolutionary and ecological research. How species diverge and adapt to different habitats is one of the most exciting areas in speciation studies ...
Zeyu Zheng   +11 more
doaj   +1 more source

The population genetics of speciation by cascade reinforcement

open access: yesEcology and Evolution, 2023
AbstractSpecies interactions drive diverse evolutionary outcomes. Speciation by cascade reinforcement represents one example of how species interactions can contribute to the proliferation of species. This process occurs when the divergence of mating traits in response to selection against interspecific hybridization incidentally leads to reproductive ...
Carlie B. Anderson   +8 more
openaire   +3 more sources

Adaptive Divergence without Distinct Species Relationships Indicate Early Stage Ecological Speciation in Species of the Rhododendronpseudochrysanthum Complex Endemic to Taiwan

open access: yesPlants, 2022
The testing association of environmental variables with genetic and epigenetic variation could be crucial to deciphering the effects of environmental factors playing roles as selective drivers in ecological speciation.
Jia-Jia Cao   +4 more
doaj   +1 more source

Three problems in the genetics of speciation by selection

open access: yesProceedings of the National Academy of Sciences, 2022
Speciation is the process by which barriers to gene flow evolve between populations. Although we now know that speciation is largely driven by natural selection, knowledge of the agents of selection and the genetic and genomic mechanisms that facilitate divergence is required for a satisfactory theory of speciation.
Dolph Schluter, Loren H. Rieseberg
openaire   +2 more sources

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