Exploring Parthenogenesis Unveiling The Secrets Of Reproduction Without Fertilization
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Exploring Parthenogenesis Unveiling The Secrets Of Reproduction Without Fertilization
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Author : Zahid Ameer
language : en
Publisher: Zahid Ameer
Release Date : 2024-08-13
Exploring Parthenogenesis Unveiling The Secrets Of Reproduction Without Fertilization written by Zahid Ameer and has been published by Zahid Ameer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-13 with Science categories.
Explore the fascinating world of asexual reproduction with 'Exploring Parthenogenesis: Unveiling the Secrets of Reproduction Without Fertilization.' This comprehensive eBook delves into the scientific principles and cellular mechanisms behind parthenogenesis, where offspring are produced without fertilization. Discover how this unique reproductive strategy operates across various species, including insects, reptiles, amphibians, fish, and even plants. Learn about notable case studies, such as the rapid reproduction of aphids, the isolated reproduction of Komodo dragons, and rare instances in mammals like the Turkish Van cat. Understand the advantages of parthenogenesis, such as rapid population growth and survival strategies, as well as its limitations, including reduced genetic diversity. Explore the evolutionary significance of asexual reproduction and its applications in biotechnology, conservation, and genetic research. With insights into emerging technologies and ethical considerations, this eBook provides a thorough examination of parthenogenesis, offering valuable information for students, researchers, and anyone interested in the wonders of biological reproduction. Unlock the secrets of life without fertilization and gain a deeper appreciation for the diversity of reproductive strategies in nature.
Lost Sex
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Author : Isa Schön
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-09-22
Lost Sex written by Isa Schön and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-09-22 with Science categories.
Sex is the queen of problems in evolutionary biology. Generations of researchers have investigated one of the last remaining evolutionary paradoxes: why sex exists at all. Given that sexual reproduction is costly from an evolutionary point of view, one could wonder why not all animals and plants reproduce asexually. Dozens of contemporary hypotheses attempt to explain the prevalence of sex and its advantages and predict the early extinction of fully asexual lineages. The major theme of this book is: what is the fate of animal and plant groups in which sex is lost? Initial chapters discuss theory behind asexual life: what major disadvantages do asexual groups have to face, what are the genetic and ecological consequences and what does this theory predict for more applied aspects of asexual life, for example in agricultural pests, diseases as well as in cultural crops such as grapes. Cases studies in many animals (focusing on both invertebrates and vertebrates) and plants reveal parallel, but also singularly novel adaptations to the absence of meiosis and syngamy. And last but not least, are asexuals really doomed to early extinction or do genuine ancient asexuals exist? This book assembles contributions from the most important research groups dealing with asexual evolution in eukaryotes. It is a milestone in research on parthenogenesis and will be useful to undergraduate as well as graduate students and to senior researchers in all fields of evolutionary biology, as the paradox of sex remains its queen of problems.
The Evolution Of Anisogamy
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Author : Tatsuya Togashi
language : en
Publisher: Cambridge University Press
Release Date : 2011-04-14
The Evolution Of Anisogamy written by Tatsuya Togashi and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-14 with Science categories.
Darwin identified the existence of separate male and female gametes as one of the central mysteries of evolutionary biology. 150 years later, the question of why male gametes exist remains an intriguing puzzle. In this, the first book solely devoted to the evolution of anisogamy, top theorists in the field explore why gamete dimorphism characterizes nearly all plants and animals. Did separate male and female gametes evolve as a result of competition, or does anisogamy instead represent selection for cooperation? If disruptive selection drove the evolution of anisogamy, with male gametes focused on search and fusion, and female gametes provisioning the new zygote, why do some algal species continue to produce gametes of a single size? Does sperm limitation, or escape from infection, better explain the need for extremely small, highly mobile sperm? Written by leaders in the field, this volume offers an authoritative and cutting-edge overview of evolutionary theory.
Apomixis In Plants
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Author : Sven Asker
language : en
Publisher: CRC Press
Release Date : 1992-03-10
Apomixis In Plants written by Sven Asker and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-03-10 with Science categories.
Apomixis in Plants presents a comprehensive review of different aspects of asexual seed formation in plants. This is important in plant research since apomixis could greatly facilitate breeding in important crops. It is also interesting theoretically because it carries problems related to genetic variation and evolution to its extreme. The book features a broad selection of topics, including a historical review of ideas and landmarks in the field; comparisons with other types of asexual reproduction in higher plants and with related phenomena in animals and related plants; a presentation of cytology and embryology of apomicts and the diversified terminology in the field; views on the genetic background of apomixis and environmental effects on its expression; and the interrelation between apomixis and other traits. Additional topics covered include classical and modern theories of sexual versus asexual reproduction; geographical and taxonomical trends in apomicts; ecological implications of apomixis, and a review of future possibilities for using apomixis in plant breeding. Apomixis in Plants is an important reference volume for researchers and students in all areas of botany, ecology, and plant breeding.
The Cult Of Divine Birth In Ancient Greece
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Author : M. Rigoglioso
language : en
Publisher: Springer
Release Date : 2009-04-26
The Cult Of Divine Birth In Ancient Greece written by M. Rigoglioso and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-04-26 with Religion categories.
Greek religion is filled with strange sexual artifacts - stories of mortal women's couplings with gods; rituals like the basilinna's "marriage" to Dionysus; beliefs in the impregnating power of snakes and deities; the unusual birth stories of Pythagoras, Plato, and Alexander; and more. In this provocative study, Marguerite Rigoglioso suggests such details are remnants of an early Greek cult of divine birth, not unlike that of Egypt. Scouring myth, legend, and history from a female-oriented perspective, she argues that many in the highest echelons of Greek civilization believed non-ordinary conception was the only means possible of bringing forth individuals who could serve as leaders, and that special cadres of virgin priestesses were dedicated to this practice. Her book adds a unique perspective to our understanding of antiquity, and has significant implications for the study of Christianity and other religions in which divine birth claims are central. The book's stunning insights provide fascinating reading for those interested in female-inclusive approaches to ancient religion.
Women Fire And Dangerous Things
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Author : George Lakoff
language : en
Publisher: University of Chicago Press
Release Date : 2008-08-08
Women Fire And Dangerous Things written by George Lakoff and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-08-08 with Language Arts & Disciplines categories.
"Its publication should be a major event for cognitive linguistics and should pose a major challenge for cognitive science. In addition, it should have repercussions in a variety of disciplines, ranging from anthropology and psychology to epistemology and the philosophy of science. . . . Lakoff asks: What do categories of language and thought reveal about the human mind? Offering both general theory and minute details, Lakoff shows that categories reveal a great deal."—David E. Leary, American Scientist
The Tiger Flu
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Author : Larissa Lai
language : en
Publisher: arsenal pulp press
Release Date : 2018-11-13
The Tiger Flu written by Larissa Lai and has been published by arsenal pulp press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-13 with Fiction categories.
WINNER, Lambda Literary Award In this visionary novel by Larissa Lai—her first in sixteen years—a community of parthenogenic women, sent into exile by the male-dominated Salt Water City, goes to war against disease, technology, and powerful men that threaten them with extinction. Kirilow is a doctor apprentice whose lover Peristrophe is a “starfish,” a woman who can regenerate her own limbs and organs, which she uses to help her clone sisters whose organs are failing. When a denizen from Salt Water City suffering from a mysterious flu comes into their midst, Peristrophe becomes infected and dies, prompting Kirilow to travel to Salt Water City, where the flu is now a pandemic, to find a new starfish who will help save her sisters. There, Kirilow meets Kora, a girl-woman desperate to save her family from the epidemic. Kora has everything Kirilow is looking for, except the will to abandon her own family. But before Kirilow can convince her, both are kidnapped by a group of powerful men to serve as test subjects for a new technology that can cure the mind of the body. Bold, beautiful, and wildly imaginative, The Tiger Flu is at once a female hero’s saga, a cyberpunk thriller, and a convention-breaking cautionary tale—a striking metaphor for our complicated times.
Genetics And Genomics In Medicine
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Author : Tom Strachan
language : en
Publisher: Taylor & Francis
Release Date : 2014-06-02
Genetics And Genomics In Medicine written by Tom Strachan and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-02 with Medical categories.
Genetics and Genomics in Medicine is a new textbook written for undergraduate students, graduate students, and medical researchers that explains the science behind the uses of genetics and genomics in medicine today. Rather than focusing narrowly on rare inherited and chromosomal disorders, it is a comprehensive and integrated account of how geneti
Principles Of Development
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Author : Lewis Wolpert
language : en
Publisher: Oxford University Press, USA
Release Date : 1998
Principles Of Development written by Lewis Wolpert and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Nature categories.
Developmental biology is at the core of all biology. This text emphasizes the principles and key developments in order to provide an approach and style that will appeal to students at all levels.
Adaptation And Natural Selection
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Author : George Christopher Williams
language : en
Publisher:
Release Date : 1966
Adaptation And Natural Selection written by George Christopher Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Science categories.
Biological evolution is a fact--but the many conflicting theories of evolution remain controversial even today. In 1966, simple Darwinism, which holds that evolution functions primarily at the level of the individual organism, was threatened by opposing concepts such as group selection, a popular idea stating that evolution acts to select entire species rather than individuals. George Williams's famous argument in favor of the Darwinists struck a powerful blow to those in opposing camps. His Adaptation and Natural Selection, now a classic of science literature, is a thorough and convincing essay in defense of Darwinism; its suggestions for developing effective principles for dealing with the evolution debate and its relevance to many fields outside biology ensure the timelessness of this critical work.