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History of Genetics
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1665 Robert Hooke coined the term
CELL in his studies of Cork
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1833 Robert Brown Discovered Nuclei
of Cells
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1835-1839 Hugo Von mohl Described
Mitosis in Nuclei
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1859 Charles Darwin Published "The
Origin of Species"
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1866 Mendel’s laws of inheritance
were published
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C.Von Nageli first noticed splitting
of Chromosome during Division
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1875 ). Hertwig described Fusion
of Sperm and Egg to Form Zygote
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1879-85 W. Flemming used Staining
Technique to describe Chromosome
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1885 August Weisman Stated"Inheretance
is exclusively based in the Nucleus"
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1888 W. Waldeyer First Used the
Term "CHROMOSOME"
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1890 O. Hertwig and T. Boveri Described
the process of Meiosis in Detail
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1900 Mendel’s Work rediscovered
By Hugo de Vries, carl correns, and Erich von Tchermak
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1903 Walter sutton -Behavior of
Chromosome during Meiosis explained Mendel’s Rules of Inheritance
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1913 Alfred Sturtevant created Ist
genetic map using fruit fly (Drosophila)
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1927 L. Stadler and H. J. Muller
showed-Genes can be mutated artificially using X-rays
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1930 & 1932 R. A. Fisher, S.
Wright and JBS Haldane-Population Genetics (Algebraic Foundation of How
the Process of Evolution Works)
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1943 S. Luria & M. Delbruck-Bacteria
have normal Genetic System
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1944 O. Avery and Colleagues Conclude
DNA is the Genetic material
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1953 J. Watson and F. Crick worked
out Structure of DNA
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1973-Restriction Endonuclease-discovered
by W. Arber, H. Smith and D. Nathans-enabled to Manipulate DNA-Recombinant
DNA Tech.
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1972 Paul Berg Ist to create Recombinant
DNA Molecule