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Cattle --- genetics --- Genome --- Quantitative trait loci --- Chromosome mapping --- X chromosome --- Linkage disequilibrium --- Phenotype

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To show the importance of stochastic processes in the change of gene frequencies, the authors discuss topics ranging from molecular evolution to two-locus problems in terms of diffusion models. Throughout their discussion, they come to grips with one of the most challenging problems in population genetics--the ways in which genetic variability is maintained in Mendelian populations.R.A. Fisher, J.B.S. Haldane, and Sewall Wright, in pioneering works, confirmed the usefulness of mathematical theory in population genetics. The synthesis their work achieved is recognized today as mathematical genetics, that branch of genetics whose aim is to investigate the laws governing the genetic structure of natural populations and, consequently, to clarify the mechanisms of evolution.For the benefit of population geneticists without advanced mathematical training, Professors Kimura and Ohta use verbal description rather than mathematical symbolism wherever practicable. A mathematical appendix is included.

Population genetics --- Mathematical models. --- F-statistics. --- G-C content. --- K distribution. --- Malthusian parameter. --- Ordovician. --- adaptive surface. --- apparent. --- breeding structure. --- chromosomal variation. --- darwin. --- evolutionary rates. --- fossils, living. --- insulins. --- lethal equivalent. --- linkage disequilibrium. --- mutation, advantageous. --- natural selection. --- quasi-equilibrium surface. --- rate of. --- selection. --- selective values. --- steady flux equation. --- viability polygenes.

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To meet the global food demand of an increasing population, food production has to be increased by 60% by 2050. The main production constraints, such as climate change, biotic stresses, abiotic stresses, soil nutrition deficiency problems, problematic soils, etc., have to be addressed on an urgent basis. More than 50% of human calories are from three major cereals: rice, wheat, and maize. The harnessing of genetic diversity by novel allele mining assisted by recent advances in biotechnological and bioinformatics tools will enhance the utilization of the hidden treasures in the gene bank. Technological advances in plant breeding will provide some solutions for the biofortification, stress resistance, yield potential, and quality improvement in staple crops. The elucidation of the genetic, physiological, and molecular basis of useful traits and the improvement of the improved donors containing multiple traits are key activities for variety development. High-throughput genotyping systems assisted by bioinformatics and data science provide efficient and easy tools for geneticists and breeders. Recently, new breeding techniques applied in some food crops have become game-changers in the global food crop market. With this background, we invited 18 eminent researchers working on food crops from across the world to contribute their high-quality original research manuscripts. The research studies covered modern food crop genetics and breeding.

Research & information: general --- Biology, life sciences --- Technology, engineering, agriculture --- dry direct-seeded rice --- early vigor --- QTL --- candidate gene --- phenotyping --- EMS --- MutMap --- mutagenesis --- CLE7 --- tropical maize --- fasciation --- mapping --- radish --- microspore culture --- regeneration rate --- outcrossing --- two-way pseudo-testcross model --- Oryza sativa L. --- PPDK --- flo4-5 --- floury endosperm --- rice --- allelopathy --- yield --- HYV --- Tongil --- indica --- japonica --- SNP --- molecular breeding --- wheat quality --- wheat milling --- wheat hardness --- puroindolines --- water absorption capacity --- crop genetics --- Solanum tuberosum --- abiotic stress --- phenylpropanoids --- essential amino acid --- transcriptome --- small RNA --- comparative genomics --- nutrition --- days to heading --- Hd1 --- Ghd7 --- Hd16 --- chromosome segment substitution lines (CSSLs) --- quantitative trait locus (QTL) --- marker-assisted selection (MAS) --- cold tolerance (CT) --- gene editing --- genetically modified --- genetically modified organism (GMO) --- crop breeding --- ribonucleoprotein complex (RNP) --- genetic screening --- landraces --- genetic diversity --- population structure --- West Africa --- maize improvement --- DArTseq markers --- co-expression network --- drought-tolerant-yield --- reproductive-stage drought --- qDTYs --- transcriptomics --- watermelon --- pentatricopeptide-repeat (PPR) gene family --- comprehensive analysis --- expression profiling --- flesh color --- canola --- Brassica napus --- genetics --- gene technology --- genomics --- disease resistance --- CSSLs --- drought stress --- ‘KDML105’ rice --- low-temperature germinability --- interspecific cross --- interaction --- peanut --- core collection --- genome-wide association study --- linkage disequilibrium

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To meet the global food demand of an increasing population, food production has to be increased by 60% by 2050. The main production constraints, such as climate change, biotic stresses, abiotic stresses, soil nutrition deficiency problems, problematic soils, etc., have to be addressed on an urgent basis. More than 50% of human calories are from three major cereals: rice, wheat, and maize. The harnessing of genetic diversity by novel allele mining assisted by recent advances in biotechnological and bioinformatics tools will enhance the utilization of the hidden treasures in the gene bank. Technological advances in plant breeding will provide some solutions for the biofortification, stress resistance, yield potential, and quality improvement in staple crops. The elucidation of the genetic, physiological, and molecular basis of useful traits and the improvement of the improved donors containing multiple traits are key activities for variety development. High-throughput genotyping systems assisted by bioinformatics and data science provide efficient and easy tools for geneticists and breeders. Recently, new breeding techniques applied in some food crops have become game-changers in the global food crop market. With this background, we invited 18 eminent researchers working on food crops from across the world to contribute their high-quality original research manuscripts. The research studies covered modern food crop genetics and breeding.

Research & information: general --- Biology, life sciences --- Technology, engineering, agriculture --- dry direct-seeded rice --- early vigor --- QTL --- candidate gene --- phenotyping --- EMS --- MutMap --- mutagenesis --- CLE7 --- tropical maize --- fasciation --- mapping --- radish --- microspore culture --- regeneration rate --- outcrossing --- two-way pseudo-testcross model --- Oryza sativa L. --- PPDK --- flo4-5 --- floury endosperm --- rice --- allelopathy --- yield --- HYV --- Tongil --- indica --- japonica --- SNP --- molecular breeding --- wheat quality --- wheat milling --- wheat hardness --- puroindolines --- water absorption capacity --- crop genetics --- Solanum tuberosum --- abiotic stress --- phenylpropanoids --- essential amino acid --- transcriptome --- small RNA --- comparative genomics --- nutrition --- days to heading --- Hd1 --- Ghd7 --- Hd16 --- chromosome segment substitution lines (CSSLs) --- quantitative trait locus (QTL) --- marker-assisted selection (MAS) --- cold tolerance (CT) --- gene editing --- genetically modified --- genetically modified organism (GMO) --- crop breeding --- ribonucleoprotein complex (RNP) --- genetic screening --- landraces --- genetic diversity --- population structure --- West Africa --- maize improvement --- DArTseq markers --- co-expression network --- drought-tolerant-yield --- reproductive-stage drought --- qDTYs --- transcriptomics --- watermelon --- pentatricopeptide-repeat (PPR) gene family --- comprehensive analysis --- expression profiling --- flesh color --- canola --- Brassica napus --- genetics --- gene technology --- genomics --- disease resistance --- CSSLs --- drought stress --- ‘KDML105’ rice --- low-temperature germinability --- interspecific cross --- interaction --- peanut --- core collection --- genome-wide association study --- linkage disequilibrium

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The origin of species has fascinated both biologists and the general public since the publication of Darwin's Origin of Species in 1859. Significant progress in understanding the process was achieved in the "modern synthesis," when Theodosius Dobzhansky, Ernst Mayr, and others reconciled Mendelian genetics with Darwin's natural selection. Although evolutionary biologists have developed significant new theory and data about speciation in the years since the modern synthesis, this book represents the first systematic attempt to summarize and generalize what mathematical models tell us about the dynamics of speciation. Fitness Landscapes and the Origin of Species presents both an overview of the forty years of previous theoretical research and the author's new results. Sergey Gavrilets uses a unified framework based on the notion of fitness landscapes introduced by Sewall Wright in 1932, generalizing this notion to explore the consequences of the huge dimensionality of fitness landscapes that correspond to biological systems. In contrast to previous theoretical work, which was based largely on numerical simulations, Gavrilets develops simple mathematical models that allow for analytical investigation and clear interpretation in biological terms. Covering controversial topics, including sympatric speciation and the effects of sexual conflict on speciation, this book builds for the first time a general, quantitative theory for the origin of species.

Models, Genetic. --- Population Genetics. --- Evolution. --- Population biology. --- Species diversity. --- Population genetics --- Evolution (Biology) --- Species --- Mathematical models. --- Adaptive radiation. --- Allele frequency. --- Allele. --- Allopatric speciation. --- Assortative mating. --- Biodiversity. --- Character displacement. --- Charles Darwin. --- Digamma function. --- Directional selection. --- Disruptive selection. --- Ecological niche. --- Ecological selection. --- Ecology. --- Ecotype. --- Error threshold (evolution). --- Evolution of dominance. --- Evolutionary biology. --- Evolutionary dynamics. --- Evolutionary ecology. --- Evolutionary radiation. --- Fisher's fundamental theorem of natural selection. --- Fisherian runaway. --- Fitness (biology). --- Fitness function. --- Fitness landscape. --- Fitness model (network theory). --- Founder effect. --- Frequency-dependent selection. --- G-test. --- Gene flow. --- Gene. --- Genetic architecture. --- Genetic association. --- Genetic correlation. --- Genetic distance. --- Genetic divergence. --- Genetic drift. --- Genetic heterogeneity. --- Genetic structure. --- Genetic variability. --- Genetic variance. --- Genetic variation. --- Genetics and the Origin of Species. --- Genotype frequency. --- Genotype-phenotype distinction. --- Genotype. --- Group selection. --- Haldane's rule. --- Haplotype. --- Hardy–Weinberg principle. --- Hybrid (biology). --- Hybrid speciation. --- Hybrid zone. --- Inbreeding. --- Linkage disequilibrium. --- Local adaptation. --- Logarithm. --- Macroevolution. --- Mate choice. --- Mating preferences. --- Mating. --- Model organism. --- Modern evolutionary synthesis. --- Mutation rate. --- Mutation–selection balance. --- Natural selection. --- Nearly neutral theory of molecular evolution. --- Neutral network (evolution). --- On the Origin of Species. --- Order statistic. --- Parapatric speciation. --- Peripatric speciation. --- Phenotype. --- Phenotypic trait. --- Polymorphism (biology). --- Population ecology. --- Population genetics. --- Population size. --- Probability. --- Quantitative genetics. --- Quantitative trait locus. --- Rate of evolution. --- Reproductive isolation. --- Reproductive success. --- Ring species. --- Segregate (taxonomy). --- Selection coefficient. --- Sexual selection. --- Spatial ecology. --- Speciation (genetic algorithm). --- Speciation. --- Species complex. --- Species–area curve. --- Stepwise mutation model. --- Sympatric speciation. --- Taxonomy (biology). --- Trait theory.