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=== Soviet Union, Lysenkoism and famine ===
 
=== Soviet Union, Lysenkoism and famine ===
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[[Image:Lysenko.jpg|right|thumbnail|150px|[[Trofim Denisovich Lysenko]] was the father of Lysenkoism. ]]
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See: [[Lysenkoism]]
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''See also:'' [[Lysenkoism]]
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[[Lamarck|Lamarckian evolution]] was an early [[theory of evolution]] developed by [[Jean-Baptiste Lamarck ]].
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[[Lysenkoism]] was an extension of Lamarckian evolution which was espoused by the [[Soviet]] geneticist [[Trofim Denisovich Lysenko|Trofim Lysenko]] in the early 20th century, and an excellent example of politically-motivated pressure used to advance an ideologically-based theory.  Geneticists and biologists in general who disagreed with Lysenkoism lost their positions
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In addition, many [[genetics|geneticists]] were imprisoned and executed for their ''bourgeois science'', and agricultural policies based on Lysenkoism that were adopted under the Communist leaders [[Joseph Stalin]] and [[Mao Zedong]] caused famines and the death of millions.<ref>http://www.bookrags.com/research/lysenkoism-wog/</ref>
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Lysenkoism adopted Lamarck's idea of "acquired characteristics," which states that the traits an [[organism]] develops during its life are passed on to their descendants.
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The theory was given enormous political support in the Soviet Union from the late 1930s until the 1950s.
   
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