Molecular Biology of the Cell

Molecular Biology of the Cell PDF Author:
Publisher:
ISBN: 9780815332183
Category : Cells
Languages : en
Pages : 0

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Molecular Biology of the Cell

Molecular Biology of the Cell PDF Author:
Publisher:
ISBN: 9780815332183
Category : Cells
Languages : en
Pages : 0

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Book Description


Mapping and Sequencing the Human Genome

Mapping and Sequencing the Human Genome PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309038405
Category : Science
Languages : en
Pages : 128

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Book Description
There is growing enthusiasm in the scientific community about the prospect of mapping and sequencing the human genome, a monumental project that will have far-reaching consequences for medicine, biology, technology, and other fields. But how will such an effort be organized and funded? How will we develop the new technologies that are needed? What new legal, social, and ethical questions will be raised? Mapping and Sequencing the Human Genome is a blueprint for this proposed project. The authors offer a highly readable explanation of the technical aspects of genetic mapping and sequencing, and they recommend specific interim and long-range research goals, organizational strategies, and funding levels. They also outline some of the legal and social questions that might arise and urge their early consideration by policymakers.

DNA, Genes, and Chromosomes

DNA, Genes, and Chromosomes PDF Author: Mason Anders
Publisher: Capstone
ISBN: 1515772683
Category : Juvenile Nonfiction
Languages : en
Pages : 33

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Book Description
Did you know that most of our bodies' cells contain about 6 feet (2 meters) of DNA? Learn how DNA and genes determine each unique trait of plants and animals by taking a close look at the make up and structure of DNA.

Genes , Genomes ,Genetics and Chromosomes

Genes , Genomes ,Genetics and Chromosomes PDF Author: Logan Aguilar
Publisher: Scientific e-Resources
ISBN: 1839473517
Category :
Languages : en
Pages : 312

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Book Description
A genome is an organism's complete set of DNA, including all of its genes. Each genome contains all of the information needed to build and maintain that organism. In humans, a copy of the entire genome-more than three billion DNA base pairs-is contained in all cells that have a nucleus. Developmental Genetics studies how the genes regulate developmental changes in behavior and influence scientific approaches in several fields. It highlights the interdisciplinary approach of developmental genetics with new revolutionary technologies and details how these advances have accelerated our understanding of the molecular genetic processes that regulates development. Chromosomes come in matching sets of two (or pairs) and there are hundreds-sometimes thousands-of genes in just one chromosome. The chromosomes and genes are made of DNA, which is short for deoxyribonucleic. Genes, Genomes, and Genomics, with chapters written by internationally renowned experts, provide an enormous reservoir of new information in the various theoretical and applied aspects of unravelling the secrets hidden in the genes of plants, animals and microorganisms. A gene is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins. In humans, genes vary in size from a few hundred DNA bases to more than two million bases. Moreover, the book presents a thorough overview of a wide array of methodologies from classical genetics to modern genomics technologies.

Molecular Structure Of Genes And Chromosomes

Molecular Structure Of Genes And Chromosomes PDF Author: N.S. Sharma
Publisher: Mittal Publications
ISBN: 9788182930209
Category : Chromosomes
Languages : en
Pages : 304

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Sex Chromosomes and Sex-Linked Genes

Sex Chromosomes and Sex-Linked Genes PDF Author: Susumu Ohno
Publisher: Springer Science & Business Media
ISBN: 3642881785
Category : Science
Languages : en
Pages : 201

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Book Description
Natural selection operates among individual organisms which differ in their genetic constitution. The degree of hereditary variability within a species is greatly enhanced by cross-fertilization. Indeed, the mechanism of sexual reproduction occurred very early in evolution, for it is seen today even in bacteria. In Escherichia coli, fertilization occurs by passage of the single chromosome from the male into the female bacterium (LEDERBERG, 1959). In multicellular organisms, the separation of germ from soma, and the production of haploid gametes became mandatory. The gametes were of two types. One, extremely mobile, was designed to seek out and penetrate the other, which loaded with nutrients, received the mobile gamete and intiated the development of a new individual. The foundation for true bisexuality was thus laid. In the primitive state of bisexuality, whether an individual is to be a sperm-producing male or an egg-producing female appears to be decided rather haphazardly. In the worm, Banelia viridis, the minute males are parasites in the female. Larvae that become attached to the proboscis of an adult female become males, while unattached larvae sink to the bottom and become females (BALTZER, 1935). The more sophisticated state of bisexuality was initiated by setting aside a particular pair of chromosomes for specialization and making either the male or the female a heterogametic sex. Sex chromosomes as we know them were thus born.

Chromosomes

Chromosomes PDF Author: Adrian T. Sumner
Publisher: John Wiley & Sons
ISBN: 0470695226
Category : Science
Languages : en
Pages : 304

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Book Description
Integrating classical knowledge of chromosome organisation with recent molecular and functional findings, this book presents an up-to-date view of chromosome organisation and function for advanced undergraduate students studying genetics. The organisation and behaviour of chromosomes is central to genetics and the equal segregation of genes and chromosomes into daughter cells at cell division is vital. This text aims to provide a clear and straightforward explanation of these complex processes. Following a brief historical introduction, the text covers the topics of cell cycle dynamics and DNA replication; mitosis and meiosis; the organisation of DNA into chromatin; the arrangement of chromosomes in interphase; euchromatin and heterochromatin; nucleolus organisers; centromeres and telomeres; lampbrush and polytene chromosomes; chromosomes and evolution; chromosomes and disease, and artificial chromosomes. Topics are illustrated with examples from a wide variety of organisms, including fungi, plants, invertebrates and vertebrates. This book will be valuable resource for plant, animal and human geneticists and cell biologists. Originally a zoologist, Adrian Sumner has spent over 25 years studying human and other mammalian chromosomes with the Medical Research Council (UK). One of the pioneers of chromosome banding, he has used electron microscopy and immunofluorescence to study chromosome organisation and function, and latterly has studied factors involved in chromosome separation at mitosis. Adrian is an Associate Editor of the journal Chromosome Research, acts as a consultant biologist and is also Chair of the Committee of the International Chromosome Conferences. The most up-to-date overview of chromosomes in all their forms. Introduces cutting-edge topics such as artificial chromosomes and studies of telomere biology. Describes the methods used to study chromosomes. The perfect complement to Turner.

Genes, Chromosomes and Evolution

Genes, Chromosomes and Evolution PDF Author: Beryl Grace Ashton
Publisher:
ISBN:
Category : Breeding
Languages : en
Pages : 196

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Book Description
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.

Health Risks from Exposure to Low Levels of Ionizing Radiation

Health Risks from Exposure to Low Levels of Ionizing Radiation PDF Author: Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation
Publisher: National Academies Press
ISBN: 0309133343
Category : Science
Languages : en
Pages : 422

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Book Description
This book is the seventh in a series of titles from the National Research Council that addresses the effects of exposure to low dose LET (Linear Energy Transfer) ionizing radiation and human health. Updating information previously presented in the 1990 publication, Health Effects of Exposure to Low Levels of Ionizing Radiation: BEIR V, this book draws upon new data in both epidemiologic and experimental research. Ionizing radiation arises from both natural and man-made sources and at very high doses can produce damaging effects in human tissue that can be evident within days after exposure. However, it is the low-dose exposures that are the focus of this book. So-called “late” effects, such as cancer, are produced many years after the initial exposure. This book is among the first of its kind to include detailed risk estimates for cancer incidence in addition to cancer mortality. BEIR VII offers a full review of the available biological, biophysical, and epidemiological literature since the last BEIR report on the subject and develops the most up-to-date and comprehensive risk estimates for cancer and other health effects from exposure to low-level ionizing radiation.

Genome

Genome PDF Author: Matt Ridley
Publisher: Harper Collins
ISBN: 0062253468
Category : Science
Languages : en
Pages : 370

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Book Description
“Ridley leaps from chromosome to chromosome in a handy summation of our ever increasing understanding of the roles that genes play in disease, behavior, sexual differences, and even intelligence. . . . . He addresses not only the ethical quandaries faced by contemporary scientists but the reductionist danger in equating inheritability with inevitability.” — The New Yorker The genome's been mapped. But what does it mean? Matt Ridley’s Genome is the book that explains it all: what it is, how it works, and what it portends for the future Arguably the most significant scientific discovery of the new century, the mapping of the twenty-three pairs of chromosomes that make up the human genome raises almost as many questions as it answers. Questions that will profoundly impact the way we think about disease, about longevity, and about free will. Questions that will affect the rest of your life. Genome offers extraordinary insight into the ramifications of this incredible breakthrough. By picking one newly discovered gene from each pair of chromosomes and telling its story, Matt Ridley recounts the history of our species and its ancestors from the dawn of life to the brink of future medicine. From Huntington's disease to cancer, from the applications of gene therapy to the horrors of eugenics, Ridley probes the scientific, philosophical, and moral issues arising as a result of the mapping of the genome. It will help you understand what this scientific milestone means for you, for your children, and for humankind.