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Author : Herbert Fuller Roberts
Publisher : Unknown
Page : 400 pages
File Size : 41,7 Mb
Release : 1929
Category : Botany
ISBN : UOM:39015005794154
Author : Herbert Fuller Roberts
Publisher : Unknown
Page : 374 pages
File Size : 47,5 Mb
Release : 1929
Category : Plant hybridization
ISBN : OCLC:650426741
Author : Gregor Mendel
Publisher : Cosimo, Inc.
Page : 54 pages
File Size : 44,7 Mb
Release : 2008-11-01
Category : Science
ISBN : 9781605202570
Experiments which in previous years were made with ornamental plants have already afforded evidence that the hybrids, as a rule, are not exactly intermediate between the parental species. With some of the more striking characters, those, for instance, which relate to the form and size of the leaves, the pubescence of the several parts, etc., the intermediate, indeed, is nearly always to be seen; in other cases, however, one of the two parental characters is so preponderant that it is difficult, or quite impossible, to detect the other in the hybrid. from 4. The Forms of the Hybrid One of the most influential and important scientific works ever written, the 1865 paper Experiments in Plant Hybridisation was all but ignored in its day, and its author, Austrian priest and scientist GREGOR JOHANN MENDEL (18221884), died before seeing the dramatic long-term impact of his work, which was rediscovered at the turn of the 20th century and is now considered foundational to modern genetics. A simple, eloquent description of his 18561863 study of the inheritance of traits in pea plantsMendel analyzed 29,000 of themthis is essential reading for biology students and readers of science history. Cosimo presents this compact edition from the 1909 translation by British geneticist WILLIAM BATESON (18611926).
Author : Gregor Mendel,Alain F. Corcos,Floyd V. Monaghan
Publisher : Rutgers University Press
Page : 246 pages
File Size : 54,7 Mb
Release : 1993
Category : Science
ISBN : 0813519217
A Guided Study (Masterworks of Discovery)
Author : William Bateson,Gregor Mendel
Publisher : Legare Street Press
Page : 0 pages
File Size : 55,9 Mb
Release : 2023-07-18
Category : Electronic
ISBN : 1019376589
In this groundbreaking work, Gregor Mendel documents his experiments with plant hybridization, laying the foundation for the study of genetics and the understanding of heredity. Mendel's work challenged prevailing assumptions about inheritance and paved the way for the advancements in genetics that followed. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author : Gregor Mendel
Publisher : Lulu.com
Page : 42 pages
File Size : 54,5 Mb
Release : 2018-08-28
Category : Science
ISBN : 1387996827
Mendel's groundbreaking paper, which laid the foundation for further research upon heritage and genetics, is published here complete with the original illustrations and charts. When Mendel released this paper in 1865, it was after years of rigorous study and comparison in plant specimens and their offspring. His conclusion that variant traits were hereditary and could be determined, with a good degree of accuracy, through probability analysis were revolutionary in natural science at the time. Mendel's assertions regarding acquired characteristics, demonstrated through the comparison of peas and their seeds, would spark great interest in the nature and mechanisms behind heredity between generations of organisms. Seeking to gain high quality results, Mendel prefaces his explanations by noting that he artificially fertilized the plants described in the work.
Author : Alfred Henry Sturtevant
Publisher : CSHL Press
Page : 190 pages
File Size : 53,6 Mb
Release : 2001
Category : Medical
ISBN : 0879696079
In the small “Fly Room†at Columbia University, T.H. Morgan and his students, A.H. Sturtevant, C.B. Bridges, and H.J. Muller, carried out the work that laid the foundations of modern, chromosomal genetics. The excitement of those times, when the whole field of genetics was being created, is captured in this book, written in 1965 by one of those present at the beginning. His account is one of the few authoritative, analytic works on the early history of genetics. This attractive reprint is accompanied by a website, http://www.esp.org/books/sturt/history/ offering full-text versions of the key papers discussed in the book, including the world's first genetic map.
Author : Gregor Mendel
Publisher : Unknown
Page : 0 pages
File Size : 44,8 Mb
Release : 1965
Category : Chromosomes
ISBN : OCLC:224148882
Author : Noel Kingsbury
Publisher : University of Chicago Press
Page : 510 pages
File Size : 50,9 Mb
Release : 2011-11-15
Category : Gardening
ISBN : 9780226437132
"Noel Kingsbury reveals that even those imaginary perfect foods are themselves far from anything that could properly be called natural, rather, they represent the end of a millennia-long history of selective breeding and hybridization. Starting his story at the birth of agriculture, Kingsbury traces the history of human attempts to make plants more reliable, productive, and nutritiousa story that owes as much to accident and error as to innovation and experiment. Drawing on historical and scientific accounts, as well as a rich trove of anecdotes, Kingsbury shows how scientists, amateur breeders, and countless anonymous farmers and gardeners slowly caused the evolutionary pressures of nature to be supplanted by those of human needs and thus led us from sparse wild grasses to succulent corn cobs, and from mealy, white wild carrots to the juicy vegetables we enjoy today. At the same time, Kingsbury reminds us that contemporary controversies over the Green Revolution and genetically modified crops are not new, plant breeding has always had a political dimension."--Publisher's description.
Author : F. A. E. Crew
Publisher : Elsevier
Page : 229 pages
File Size : 42,8 Mb
Release : 2014-06-28
Category : Science
ISBN : 9781483282657
The Foundations of Genetics describes the historical development of genetics with emphasis on the contributions to advancing genetical knowledge and the various applications of genetics. The book reviews the work of Gregor Mendel, his Law of Segregation, and of Ernst Haeckel who suggested that the nucleus is that part of the cell that is responsible for heredity. The text also describes the studies of W. Johannsen on "pure lines," and his introduction of the terms gene, genotype, and phenotype. The book explains the theory of the gene and the notion that hereditary particles are borne by the chromosomes (Sutton-Boveri hypothesis). Of the constituent parts of the nucleus only the chromatin material divides at mitosis and segregates during maturation. Following studies confirm that the chromatin material, present in the form of chromosomes with a constant and characteristic number and appearance for each species, is indeed the hereditary material. The book describes how Muller in 1927, showed that high precision energy radiation is the external cause to mutation in the gene itself if one allele can mutate without affecting its partner. The superstructure of genetics built upon the foundations of Mendelism has many applications including cytogenetics, polyploidy, human genetics, eugenics, plant breeding, radiation genetics, and the evolution theory. The book can be useful to academicians and investigators in the fields of genetics such as biochemical, biometrical, microbial, and pharmacogenetics. Students in agriculture, anthropology, botany, medicine, sociology, veterinary medicine, and zoology should add this text to their list of primary reading materials.
Author : Allan Franklin,A. W. F. Edwards,Daniel J. Fairbanks,Daniel L. Hartl
Publisher : University of Pittsburgh Pre
Page : 348 pages
File Size : 46,6 Mb
Release : 2008-03-15
Category : Science
ISBN : 0822973405
In 1865, Gregor Mendel presented "Experiments in Plant-Hybridization," the results of his eight-year study of the principles of inheritance through experimentation with pea plants. Overlooked in its day, Mendel's work would later become the foundation of modern genetics. Did his pioneering research follow the rigors of real scientific inquiry, or was Mendel's data too good to be true-the product of doctored statistics? In Ending the Mendel-Fisher Controversy, leading experts present their conclusions on the legendary controversy surrounding the challenge to Mendel's findings by British statistician and biologist R. A. Fisher. In his 1936 paper "Has Mendel's Work Been Rediscovered?" Fisher suggested that Mendel's data could have been falsified in order to support his expectations. Fisher attributed the falsification to an unknown assistant of Mendel's. At the time, Fisher's criticism did not receive wide attention. Yet beginning in 1964, about the time of the centenary of Mendel's paper, scholars began to publicly discuss whether Fisher had successfully proven that Mendel's data was falsified. Since that time, numerous articles, letters, and comments have been published on the controversy. This self-contained volume includes everything the reader will need to know about the subject: an overview of the controversy; the original papers of Mendel and Fisher; four of the most important papers on the debate; and new updates, by the authors, of the latter four papers. Taken together, the authors contend, these voices argue for an end to the controversy-making this book the definitive last word on the subject.
Author : H.K. Jain,M.C. Kharkwal
Publisher : Springer Science & Business Media
Page : 813 pages
File Size : 49,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400710405
The Indian Society of Genetics and Plant Breeding was established in 1941 in recognition of the growing contribution of improved crop varieties to the country's agriculture. Scientific plant breeding had started inIndia soon after the rediscovery of Mendel's laws of heredity. The Indian Agricultural Research Institute set up in 1905 and a number of Agricultural Colleges in different parts of the country carried out some of the earliest work mostly inthe form of pure-line selections. In subsequent years, hybridization programmes in crops like wheat, rice, oilseeds, grain legumes, sugarcane and cotton yielded a large number of improved cultivars with significantly higher yields. A turning point came in the 1960s with the development of hybrids in several crops including inter-specific hybrids in cotton. And when new germplasm with dwarfing genes became available in wheat and rice from CIMMYT and IRRI, respectively,Indian plant breeders quickly incorporated these genes into the genetic background of the country's widely grown varieties with excellent grain quality and other desirable traits. This was to mark the beginning of modem agriculture in India as more and more varieties were developed, characterized by a high harvest index and response to modem farm inputs like the inorganic fertilizers . India's green revolution which has led to major surpluses offood grains and othercommodities like sugar and cotton has been made possible by the work of one of the largest groups of plant breeders working in a coordinated network.
Author : Kostas Kampourakis
Publisher : Cambridge University Press
Page : 319 pages
File Size : 40,6 Mb
Release : 2017-03-30
Category : Science
ISBN : 9781107567498
What are genes? What do genes do? These seemingly simple questions are in fact challenging to answer accurately. As a result, there are widespread misunderstandings and over-simplistic answers, which lead to common conceptions widely portrayed in the media, such as the existence of a gene 'for' a particular characteristic or disease. In reality, the DNA we inherit interacts continuously with the environment and functions differently as we age. What our parents hand down to us is just the beginning of our life story. This comprehensive book analyses and explains the gene concept, combining philosophical, historical, psychological and educational perspectives with current research in genetics and genomics. It summarises what we currently know and do not know about genes and the potential impact of genetics on all our lives. Making Sense of Genes is an accessible but rigorous introduction to contemporary genetics concepts for non-experts, undergraduate students, teachers and healthcare professionals.
Author : Vítězslav Orel
Publisher : Oxford University Press, USA
Page : 384 pages
File Size : 53,7 Mb
Release : 1996
Category : Biography & Autobiography
ISBN : UOM:39015037690453
An account of the scientific work of Gregor Mendel, the discoverer of the fundamental laws of heredity and the founder of modern genetics, with attention to the social and intellectual environment in which he lived and in which his ideas were received by his contemporaries and in the years following his discoveries. A few bandw illustrations. Annotation copyrighted by Book News, Inc., Portland, OR
Author : Conway Zirkle
Publisher : University of Pennsylvania Press
Page : 264 pages
File Size : 52,6 Mb
Release : 2016-11-11
Category : Science
ISBN : 9781512809084
A review of speculation on plant hybridization from classical times up to the early eighteenth century, reprinting the work of twenty-nine plant hybridizers who preceded Koelreuter.
