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Nineteenth-century experimental embryologist
- Wilhelm Roux was a nineteenth-century experimental embryologist who was best known for pioneering Entwicklungsmechanik, or developmental mechanics. Roux was born in Jena, Germany, on 9 June 1850, the only son of Clotilde Baumbach and a university fencing master, F. A. Wilhelm Ludwig Roux.
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Jul 22, 2009 · Wilhelm Roux was a nineteenth-century experimental embryologist who was best known for pioneering Entwicklungsmechanik, or developmental mechanics. Roux was born in Jena, Germany, on 9 June 1850, the only son of Clotilde Baumbach and a university fencing master, F. A. Wilhelm Ludwig Roux.
Apr 4, 2024 · Wilhelm Roux (born June 9, 1850, Jena, Saxony [Germany]—died Sept. 15, 1924, Halle, Ger.) was a German zoologist whose attempts to discover how organs and tissues are assigned their structural form and functions at the time of fertilization made him a founder of experimental embryology.
- The Editors of Encyclopaedia Britannica
May 23, 2018 · ROUX, WILHELM (b. Jena, Germany, 9 June 1850; d. Halle, Germany, 15 September 1924) embryology, developmental mechanics, anatomy. Roux single-mindedly devoted his life to science. Even in his autobiography he gave only the scantiest details about his family and extrascientific activities.
- Gregor Mendel The “Father of Genetics”
- The Rediscovery of Mendel’s Work
- Friedrich Miescher and Richard Altmann
- Hugo de Vries
- Chromosomes and Genes
- Thomas Hunt Morgan
- Genetic Mutations
- James Watson and Francis Crick
- Sequencing Genes
- Lates 90’s and Post 2000
History of genetic research began with Gregor Mendel the "Father of Genetics". He had performed an experiment with plants in 1857 that led to increased interest in the study of genetics. Mendel who became a monk of the Roman Catholic Church in 1843, studied at the University of Vienna from where he studied mathematics, and then later performed many...
Mendel’s work was first published in 1866 and it was rediscovered in 1900 by three European scientists, Hugo de Vries, Carl Correns, and Erich von Tschermak, who had reached similar conclusions from their own research. However, the units that transmitted or contained this genetic material was not yet known. Mendel was the first to distinguish betwe...
Friedrich Miescher (1844-1895) discovered a substance he called "nuclein" in 1869. Later he isolated a pure sample of the material now known as DNA from the sperm of salmon, and in 1889 his pupil, Richard Altmann, named it "nucleic acid". This substance was found to exist only in the chromosomes.
By 1889 Hugo de Vries wrote an independent book called ''Intracellular Pangenesis'' citing similar findings. He was unaware of Mendel’s work then. He coined the term "pangen" for "the smallest particle one hereditary characteristic".
Darwin used the term Gemmule to describe a microscopic unit of inheritance. This came to be known as Chromosomes. Chromosomes, however, were first observed during cell division by Wilhelm Hofmeister as early as 1848. Wilhelm Roux in 1883 speculated that chromosomes are the carriers of inheritance. Danish botanist Wilhelm Johannsen coined the word "...
In 1910, Thomas Hunt Morgan showed that genes reside on specific chromosomes. Depending on this knowledge Morgan and his students began the first chromosomal map of the fruit fly ''Drosophila''. Frederick Griffith, a scientist, was working on a project in 1928 that formed the basis that DNA was the molecule of inheritance and could be transferred.
In 1941 genetic mutations causing errors in specific steps in metabolic pathways was shown by George Wells Beadle and Edward Lawrie Tatum and the "one gene" hypothesis was formed.
In 1953 two scientists, James Watson and Francis Crick, were trying to put together a model of DNA and discovered the double helix structure.
It was in 1972 when Walter Fiers and his team at the Laboratory of Molecular Biology of the University of Ghent (Ghent, Belgium) determined the sequence of a gene in the Bacteriophage MS2 coat protein. Richard J. Roberts and Phillip Sharp found the genes can be split into segments making it possible that a single gene might be coding for several pr...
It was much later in the late 90’s and after 2000 that it was found that regions of the DNA producing distinct proteins may overlap and genes are one long continuum. The sequencing of the human genome and other genomes shows that rather few genes (~20 000 in human, mouse and fly, ~13 000 in roundworm, >46 000 in rice) encode all the proteins in an ...
1850-1924. German Biologist and Embryologist. W ilhelm Roux, the founder of experimental embryology, was primarily interested in the factors that governed the development of the embryo.
Wilhelm Roux and developmental biology Roux is generally considered the founding father of ex perimental embryology, not because he was the first to use the experimental approach, but because he defined. in great detail, a program for analytical emhrv%gy or developmental mechanics (Sander 1991 a). He preferred
Introduction. Wilhelm Roux (1850 – 1924) Roux was a German zoologist and pioneer of experimental embryology. Described " Entwicklungsmechanik " (mechanisms) a physiological approach to embryology. One experiment used a heated needle to kill at the frog 2 cell stage one of the blastomeres. Doctoral thesis - On the bifurcation of blood vessels.
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