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SPECIATION. "Reciprocal gene loss following a WGD can contribute to reproductive isolation through divergent resolution of duplicate copies, foreshadowing the diversification of species." (WGD = whole genome duplication). http://www.pnas.org/content/107/1/472.full View in LinkedIn

WIDESPREAD ACROSS TAXA. "Whole-genome duplications (WGDs) have occurred in the lineages of plants, animals, and fungi, with consequences ranging from the origin of evolutionary novelty to the provision of genetic “buffer capacity” that increases genetic robustness." https://lnkd.in/eKSsYi8 View in LinkedIn

SPECIES BARRIERS. "Barriers to interploidy mating within and between species, including triploid block, have been studied using controlled crosses in a variety of natural and artificially produced diploids and polyploids." https://lnkd.in/es_dhAz View in LinkedIn

FIRST DUPLICATION TYPE. "Whole genome duplicates are 700 bp longer and are expressed in 20% more tissues than tandem duplicates." https://lnkd.in/eHCDVhZ View in LinkedIn

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TWO GENE DUPLICATION TYPES. "Comparative analysis of multiple angiosperm genomes has implicated gene duplication in the expansion and diversification of many gene families. However, empirical data and theory suggest that whole-genome and small-scale duplication events differ with respect to the types of genes preserved as duplicate pairs." https://lnkd.in/eHCDVhZ View in LinkedIn

SPECIES INCOMPATIBILITIES. "Asymmetric hybridization can be explained by a variety of mechanisms, including cytonuclear incompatibilities or imbalances in either the ploidy ratio of endosperm to embryo or between maternal to paternal genomes." https://lnkd.in/es_dhAz View in LinkedIn

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OVERCOMING INCOMPATIBILITY. "Repeated backcrossing between an asymmetrically produced hybrid and its paternal pollen source may lead to “cytoplasmic capture,” in which the mitochondria and chloroplasts of the maternal progenitor are combined with the nuclear genome of the paternal progenitor." https://lnkd.in/es_dhAz View in LinkedIn

GLOBAL IMPACT. "The angiosperms have diverged into many more habitats, life forms, and biotic interactions, and as such, the importance of their polyploid heritage cannot be underestimated as a force of truly global impact." https://lnkd.in/eg_D7BR View in LinkedIn