August Weismann - Article Index

Encyclopedia - August Weismann: Encyclopedia - August Weismann
Friedrich Leopold August Weismann (*January 17, 1834 in Frankfurt am Main; † November 5, 1914 in Freiburg im Breisgau) was a German Bio...   » Read the article

Encyclopedia - August Weismann: Encyclopedia Ii - August Weismann - Contributions To Evolutionary Biology
At the beginning of Weismann's preoccupation with evolutionary theory is his grappling with Christian creationism as a possible alternati...   » Read the article

Encyclopedia - Heredity: Encyclopedia - Heredity
Heredity (the adjective is hereditary) is the transfer of characteristics from parent to offspring, either through their genes or through...   » Read the article

Encyclopedia - List Of Biologists: Encyclopedia Ii - List Of Biologists - B
List of biologists - Ba-Bi. Churchill Babington (1831-1881), British archaeologist and conchologist John Bachman (1790-1874), American...   » Read the article

Encyclopedia - Meiosis: Encyclopedia Ii - Meiosis - Process
Because meiosis is a "one-way" process, it cannot be said to engage in a cell cycle that mitosis does. However, the preparatory steps tha...   » Read the article

Encyclopedia - Richard Owen: Encyclopedia Ii - Richard Owen - Owen And Darwin's Theory Of Evolution
Following the Voyage of the Beagle, Charles Darwin had at his disposal a considerable collection of specimens and on 29 October 1836 he w...   » Read the article

Encyclopedia - History Of Zoology Post-darwin: Encyclopedia Ii - History Of Zoology Post-darwin - Early 20th Century Work
After publication of the Origin of Species, Darwin became interested in the explanations of animal and plant mechanisms which confer adva...   » Read the article

Encyclopedia - Jean-baptiste Lamarck: Encyclopedia Ii - Jean-baptiste Lamarck - Biography
Lamarck was born in Bazentin-le-Petit, Picardy on August 1, 1744. Born into poor nobility (hence chevalier - knight), Lamarck served in t...   » Read the article

Encyclopedia - Evolutionary Biology: Encyclopedia Ii - Evolutionary Biology - History
Evolutionary biology as an academic discipline in its own right emerged as a result of the modern evolutionary synthesis in the 1930s and...   » Read the article

Encyclopedia - List Of Germans: Encyclopedia Ii - List Of Germans - Politicians
List of Germans - Chancellors of Germany before 2nd World War. Gustav Stresemann, (1878-1929), chancellor and statesman of the Weimar ...   » Read the article

Encyclopedia - Weismann Barrier: Encyclopedia Ii - Weismann Barrier - Recent Criticism
In the late 20th century there have been criticisms of an impermeable Weismann barrier. These criticisms are all centered around the acti...   » Read the article

Encyclopedia - Evolutionary Biology: Encyclopedia Ii - Evolutionary Biology - History
Main article: History of evolutionary thought Evolutionary biology as an academic discipline in its own right emerged as a result of the ...   » Read the article

Encyclopedia - Gene-centered View Of Evolution: Encyclopedia Ii - Gene-centered View Of Evolution - Historic
The gene-centric view of evolution is the logical extension of the theory of natural selection proposed by Charles Darwin and Alfred Russ...   » Read the article

Encyclopedia - Heredity: Encyclopedia Ii - Heredity - Biology
In biology, heredity refers to the transference of biological characteristics from a parent organism to offspring, and is practically a s...   » Read the article

Encyclopedia - Jean-baptiste Lamarck: Encyclopedia Ii - Jean-baptiste Lamarck - Legacy
His defenders believe he is unfairly vilified today. They note that he believed in organic evolution at a time when there was no theoreti...   » Read the article

Encyclopedia - Meiosis: Encyclopedia Ii - Meiosis - Chromosome Segregation In Meiosis
A diploid cell contains a full set of chromosome pairs, each pair containing one chromosome from each parent. These chromosome pairs are ...   » Read the article

Encyclopedia - Meiosis: Encyclopedia Ii - Meiosis - Nondisjunction
The normal separation of chromosomes in Meiosis I or sister chromatids in meiosis II is termed disjunction. When the separation is not no...   » Read the article

Encyclopedia - Meiosis: Encyclopedia Ii - Meiosis - Significance Of Meiosis
Meiosis facilitates stable sexual reproduction. Without the halving of ploidy, or chromosome count, fertilization would result in zygotes...   » Read the article

Encyclopedia - Meiosis: Encyclopedia Ii - Meiosis - Meiosis In Humans
In females, meiosis occurs in precursor cells known as oogonia that divide twice into oocytes. These stem cells stop at the diplotene sta...   » Read the article

Encyclopedia - Meiosis: Encyclopedia Ii - Meiosis - Occurrence Of Meiosis In Eukaryotic Life Cycles
Meiosis occurs in all eukaryotic life cycles involving sexual reproduction, comprising of the constant cyclical process of meiosis and fe...   » Read the article

Encyclopedia - Richard Owen: Encyclopedia Ii - Richard Owen - Work On Mammals
With regard to living mammals, the more striking of Owen's contributions relate to the monotremes, marsupials, and the anthropoid apes. H...   » Read the article

Encyclopedia - Gene-centered View Of Evolution: Encyclopedia Ii - Gene-centered View Of Evolution - Adaptation
Adaptation refers to those phenotypic traits of living systems characterized by their improbable functional organization. The human hand,...   » Read the article

Encyclopedia - Gene-centered View Of Evolution: Encyclopedia Ii - Gene-centered View Of Evolution - A Defense
The gene-centric view is based on some simple facts about inheritance and development: First, genes are the hereditary information coded ...   » Read the article

Encyclopedia - Evolutionary Biology: Encyclopedia Ii - Evolutionary Biology - Bibliography
Evolutionary biology - Textbooks. Douglas J. Futuyma, Evolutionary Biology (3rd Edition), Sinauer Associates (1998) ISBN 0878931899 Do...   » Read the article

Encyclopedia - Evolutionary Biology: Encyclopedia Ii - Evolutionary Biology - Notable Evolutionary Biologists
Notable contributors to evolutionary biology include: James F. Crow Charles Darwin Erasmus Darwin Theodosius Dobzhansky Niles Eldredge R...   » Read the article

Encyclopedia - List Of Biologists: Encyclopedia Ii - List Of Biologists - M
List of biologists - Ma-Mi. John Macadam (1827-1865), Scottish-born Australian botanist William MacGillivray (1796-1852), Scottish nat...   » Read the article

Encyclopedia - List Of Biologists: Encyclopedia Ii - List Of Biologists - S
List of biologists - Sa-So. Joseph Sabine (1770-1837), English naturalist Julius von Sachs (1832-1897), German botanist Étienne Geoff...   » Read the article

Encyclopedia - Evolutionary Biology: Encyclopedia Ii - Evolutionary Biology - Notable Evolutionary Biologists
Notable contributors to evolutionary biology include: James F. Crow Charles Darwin Erasmus Darwin Theodosius Dobzhansky Niles Eldredge R...   » Read the article

Encyclopedia - Evolutionary Biology: Encyclopedia Ii - Evolutionary Biology - Bibliography
Evolutionary biology - Textbooks. Douglas J. Futuyma, Evolutionary Biology (3rd Edition), Sinauer Associates (1998) ISBN 0878931899 Do...   » Read the article

Encyclopedia - Richard Owen: Encyclopedia Ii - Richard Owen - Work On Fish Reptiles And Birds
Owen's technical descriptions of the Vertebrata were still more numerous and extensive than those of the invertebrate animals. His Compar...   » Read the article

Encyclopedia - Richard Owen: Encyclopedia Ii - Richard Owen - Early Life And Career
Owen was born in Lancaster and educated at Lancaster Royal Grammar School. In 1820 he was apprenticed to a local surgeon and apothecary, ...   » Read the article

Article - Popular Pages Sitemap Ix - A
This is a sitemap for Popular Pages IX - A . Click on a link and you will find multiple definitions and articles related to the word. ...   » Read the article

Encyclopedia - August Weismann: Encyclopedia Ii - August Weismann - Life
August Weismann - Youth and studies. Weismann was born a son of high school teacher Johann (Jean) Konrad Weismann (1804-1880), a gradua...   » Read the article