Download or read book Genes Chromosomes and Evolution written by Beryl Grace Ashton and published by . This book was released on 1967 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phenotypic variation; Mendelism: The chromosomes in heredity; Some exceptions to random assortment; Genetic variation; Breeding systems; Evolution through natural selection; Genetics in plant and animal breeding; Human genetics; Our concept of the gene.
Download or read book Genes Chromosomes and Evolution written by Beryl G. Ashton and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cytogenomics written by Thomas Liehr and published by Academic Press. This book was released on 2021-05-25 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cytogenomics demonstrates that chromosomes are crucial in understanding the human genome and that new high-throughput approaches are central to advancing cytogenetics in the 21st century. After an introduction to (molecular) cytogenetics, being the basic of all cytogenomic research, this book highlights the strengths and newfound advantages of cytogenomic research methods and technologies, enabling researchers to jump-start their own projects and more effectively gather and interpret chromosomal data. Methods discussed include banding and molecular cytogenetics, molecular combing, molecular karyotyping, next-generation sequencing, epigenetic study approaches, optical mapping/karyomapping, and CRISPR-cas9 applications for cytogenomics. The book’s second half demonstrates recent applications of cytogenomic techniques, such as characterizing 3D chromosome structure across different tissue types and insights into multilayer organization of chromosomes, role of repetitive elements and noncoding RNAs in human genome, studies in topologically associated domains, interchromosomal interactions, and chromoanagenesis. This book is an important reference source for researchers, students, basic and translational scientists, and clinicians in the areas of human genetics, genomics, reproductive medicine, gynecology, obstetrics, internal medicine, oncology, bioinformatics, medical genetics, and prenatal testing, as well as genetic counselors, clinical laboratory geneticists, bioethicists, and fertility specialists. Offers applied approaches empowering a new generation of cytogenomic research using a balanced combination of classical and advanced technologies Provides a framework for interpreting chromosome structure and how this affects the functioning of the genome in health and disease Features chapter contributions from international leaders in the field
Download or read book Chromosome Engineering in Plants written by P.K. Gupta and published by Newnes. This book was released on 1991-05-13 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume work surveys the entire range of general aspects of chromosome research on plants. This first volume is divided into two sections. Section A consists of 11 chapters covering the entire range of general aspects of chromosome research in plants (including a chapter on genetic engineering in crop improvement). Section B is devoted to cytogenetics of cereals and millets (wheat, rye, barley, triticale, oats, maize, rice, pearl millet, and minor millets). More than one chapter is devoted to the same crop to give a detailed treatment of chromosome research (including molecular biology) in these crops. The second volume deals with cytogenetics of plant materials including legumes, vegetable and oil crops, sugar crops, forage crops, fibre crops, medicinal crops and ornamentals. This work will be useful both as a reference work and a teaching aid to satisfy a wide range of workers. Every chapter has been written by an expert who has been involved in chromosome research on a particular plant material for many years.
Download or read book Genetics written by Philip Mark Meneely and published by Oxford University Press. This book was released on 2017 with total page 775 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetics: Genes, Genomes, and Evolution unites evolution, genomics, and genetics in a single narrative approach. It is an approach that provides students with a uniquely flexible and contemporary view of genetics, genomics, and evolution.
Download or read book The Evolution of Sex Determination written by Leo W. Beukeboom and published by . This book was released on 2014 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sexual reproduction is a fundamental aspect of life. It is defined by the occurrence of meiosis and the fusion of two gametes of different sexes or mating types. Sex-determination mechanisms are responsible for the sexual fate and development of sexual characteristics in an organism, be it a unicellular alga, a plant, or an animal. In many cases, sex determination is genetic: males and females have different alleles or different genes that specify their sexual morphology. In animals, this is often accompanied by chromosomal differences. In other cases, sex may be determined by environmental (e.g. temperature) or social variables (e.g. the size of an organism relative to other members of its population). Surprisingly, sex-determination mechanisms are not evolutionarily conserved but are bewilderingly diverse and appear to have had rapid turnover rates during evolution. Evolutionary biologists continue to seek a solution to this conundrum. What drives the surprising dynamics of such a fundamental process that always leads to the same outcome: two sex types, male and female? The answer is complex but the ongoing genomic revolution has already greatly increased our knowledge of sex-determination systems and sex chromosomes in recent years. This novel book presents and synthesizes our current understanding, and clearly shows that sex-determination evolution will remain a dynamic field of future research. The Evolution of Sex Determination is an advanced, research level text suitable for graduate students and researchers in genetics, developmental biology, and evolution.
Download or read book Chromosomal Evolution in Plants written by Martin A. Lysak and published by Frontiers Media SA. This book was released on 2021-09-28 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evolution by Gene Duplication written by Susumu Ohno and published by Springer Science & Business Media. This book was released on 2013-12-11 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is said that "necessity is the mother of invention". To be sure, wheels and pulleys were invented out of necessity by the tenacious minds of upright citi zens. Looking at the history of mankind, however, one has to add that "Ieisure is the mother of cultural improvement". Man's creative genius flourished only when his mind, freed from the worry of daily toils, was permitted to entertain apparently useless thoughts. In the same manner, one might say with regard to evolution that "natural selection mere(y tnodifted, while redundanry created". Natural selection has been extremely effective in policing alleHe mutations which arise in already existing gene loci. Because of natural selection, organisms have been able to adapt to changing environments, and by adaptive radiation many new species were created from a common ancestral form. Y et, being an effective policeman, natural selection is extremely conservative by nature. Had evolution been entirely dependent upon natural selection, from a bacterium only numerous forms of bacteria would have emerged. The creation of metazoans, vertebrates and finally mammals from unicellular organisms would have been quite impos sible, for such big leaps in evolution required the creation of new gene loci with previously nonexistent functions. Only the cistron which became redun dant was able to escape from the relentless pressure of natural selection, and by escaping, it accumulated formerly forbidden mutations to emerge as a new gene locus.
Download or read book Genes Chromosomes and Evolution by Beryl G Ashton written by Beryl Grace Ashton and published by . This book was released on with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Story Of Genetics Development And Evolution The A Historical Dialogue written by Gaspar Jekely and published by World Scientific. This book was released on 2017-11-24 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique story offers an introductory conversation to genetics, embryology and evolution, taking us on a historical journey of biology through the ages. Using a series of dialogues between the Greek philosopher Democritus and his disciple Alkimos, we travel through time visiting eminent scientists throughout the centuries, from Lazzaro Spallanzani and Theodor Boveri to Francis Crick, Max Perutz and Christiane Nüsslein-Volhard. We find ourselves at the intersection of competing theories in biology and witness the progression from the debunking the theory of spontaneous generation to the mapping of the genome. Attention is given not only to the great successes in the field but also to the equally important and exciting failures.Originally published in Hungarian, The Story of Genetics, Development and Evolution provides a historical background to the life sciences, with complex scientific concepts stripped down and explained carefully for academics and anyone interested in going back to the roots and philosophies of scientific progress.Translated from: Jékely G Master, are you awake? A fictitious dialogue on genetics, development and evolution. 2006, Bratislava: Kalligram
Download or read book Evolution Composition and Regulation of Supernumerary B Chromosomes written by Andreas Houben and published by MDPI. This book was released on 2019-04-25 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supernumerary B chromosomes (Bs) are dispensable genetic elements found in thousands of species of plants and animals, and some fungi. Since their discovery more than a century ago, they have been a source of puzzlement, as they only occur in some members of a population and are absent from others. When they do occur, they are often harmful, and in the absence of “selfishness”, based on mechanisms of mitotic and meiotic drive, there appears to be no obvious reason for their existence. Cytogeneticists have long wrestled with questions about the biological existence of these enigmatic elements, including their lack of any adaptive properties, apparent absence of functional genes, their origin, sequence organization, and co-evolution as nuclear parasites. Emerging new technologies are now enabling researchers to step up a gear, to look enthusiastically beyond the previous limits of the horizon, and to uncover the secrets of these “silent” chromosomes. This book provides a comprehensive guide to theoretical advancements in the field of B chromosome research in both animal and plant systems.
Download or read book Chromosome Biology as a Key to Understand Disease Mechanisms Genome Architecture and Evolution written by Anja Weise and published by Frontiers Media SA. This book was released on 2021-04-16 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: This topic has been realized, and is in collaboration with Dr. Constanze Pentzold, Post Doctoral Researcher at the Institute of Human Genetics, University Hospital Jena.
Download or read book The Role of Chromosomal Change in Plant Evolution written by Donald A. Levin and published by Oxford University Press. This book was released on 2002-11-28 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: The application of new molecular technology has greatly increased our understanding of the role of chromosomal change in plant evolution. There is now a broad database on genome size variation within and among species and a wide array of nuclear and cytoplasmic genetic markers. There is a variety of literatures addressing this subject but much of it is scattered. This book created a contemporary synthesis or work in this area and addresses issues such as herogeneity, polyploidy, chromosomal rearrangements within species and phenotypic consequences of chromosome doubling.
Download or read book Evolution of the Human Genome II written by Naruya Saitou and published by Springer. This book was released on 2021-05-28 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume set provides a general overview of the evolution of the human genome; The first volume overviews the human genome with descriptions of important gene groups. This second volume provides up-to-date, concise yet ample knowledge on the genome evolution of modern humans. It comprises twelve chapters divided into two parts discussing “Non-neutral Evolution on Human Genes” (Part I) and “Evolution of Modern Human Populations” (Part II.) The most significant feature of this book is the continent-wise discussion of modern human dispersal using human genomic data in Part II. Recent results such as introgression of paleogenomes to modern humans, new methods such as computer simulation of global human dispersals, and new information on genes for humanness will be of particular interest to the readers. Since the euchromatin regions of the human genome was sequenced in 2003, a huge number of research papers were published on modern human evolution for a variety of populations. It is now time to summarize these achievements. This book stands out as the most comprehensive book on the modern human evolution, focusing on genomic points of view with a broad scope. Primary target audiences are researchers and graduate students in evolutionary biology.
Download or read book Evolution of the Human Genome I written by Naruya Saitou and published by Springer. This book was released on 2018-02-08 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the human genome from an evolutionary perspective. No such book has ever been published before, although there are many books on human genomes. There are two parts in this book: Overview of the Human Genome (Part I) and The Human Genome Viewed through Genes (Part II). In Part I, after a brief review of human evolution and the human genome (by Naruya Saitou), chapters on rubbish or junk DNA (by Dan Graur), GC content heterogeneity (by Satoshi Oota), protein coding and RNA coding genes (by Tadashi Imanishi), duplicated genes (by Takashi Kitano), recombinations (by Montanucci and Bertranpetit), and copy number variations including microsatellites (by Naoko Takezaki) are discussed. Readers can obtain various new insights on the human genome from this part. In Part II, genes in X and Y chromosomes (by Yoko Satta and others), HLA genes (by Timothy A. Jinam), opsin genes (by Shoji Kawamura and Amanda D. Melin), genes related to phenotypic variations (by Ryosuke Kimura), transcription factors (by Mahoko Takahashi and So Nakagawa), diabetes-related genes (by Ituro Inoue), disease genes in general (by Ituro Inoue and Hirofumi Nakaoka), and microbial genomes (by Chaochun Wei) are discussed. The human genome sequences were determined in 2004, and after more than 10 years we are now beginning to understand the human genome from an evolutionary point of view. This book furnishes readers with a good summary of current research in the field.
Download or read book Genes in Conflict written by Austin BURT and published by Harvard University Press. This book was released on 2009-06-30 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering all species from yeast to humans, this is the first book to tell the story of selfish genetic elements that act narrowly to advance their own replication at the expense of the larger organism.
Download or read book Animal Cytology and Evolution written by Michael James Denham White and published by CUP Archive. This book was released on 1973-06-28 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chromosomes as supermolecular systems; The mitotic mechanism in evolution Endomitosis and endopolyploidy; Giant chromosomes the polytene type; Giant chromosomes the lampbrush type; The mechanism of meiosis; Chromosomes rearrangements occourrence and mechanisms; Chromosomal polymorphism in natural populations; Supernumerary chromosomes; Chromosomal rearrangements and speciaton evolution of the meiotic mechanism. The evolution of aberrant genetic systems; The cytology of interspecific hybrid;. The evolution of sex determination; Haplodiploidy; Thelytoky.
