Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian...
-
Upload
jeffery-mcbride -
Category
Documents
-
view
220 -
download
2
Transcript of Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian...
![Page 1: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/1.jpg)
Johann Gregor Mendel
The Father of Genetics
![Page 2: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/2.jpg)
Early Life
• Born July 22, 1822• In Heinzendorf,
Austrian Silesia• Now Hyncice, Czech
Republic• Cobbler’s son• Many siblings• Bright child
![Page 3: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/3.jpg)
His Training
• Entered Augustinian monastery in 1843
• Brunn (Brno), Austria• Classically trained for
the priesthood• Ordained in 1847• Failed as parish priest• Potential recognized
by Prelate
![Page 4: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/4.jpg)
Further Training
• Prelate entered him at the U. of Vienna
• 1851-1854• Trained in mathematics
and natural sciences• Returned to Brunn to
teach the boys in the secondary school
• 1854-1868
![Page 5: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/5.jpg)
The monastery garden then……..
![Page 6: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/6.jpg)
The monastery garden in Brno today
![Page 7: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/7.jpg)
His Epic Experiments
• Monastery garden• Pea plants• Controlled crosses• Recorded results• Studied 7 traits• 1856-1864• Reported to Brunn
Natural History Society in 1865
![Page 8: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/8.jpg)
![Page 9: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/9.jpg)
![Page 10: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/10.jpg)
“Experiments with Plant Hybrids”
• The Principle of Segregation
• Principle of Independent Assortment
• Law of Dominance
• Law of Unit Characters
![Page 11: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/11.jpg)
Law of Unit Characters
• An organism receives two characters (genes) for every trait
• One character comes from each parent
![Page 12: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/12.jpg)
Law of Dominance
• In pairs of factors there may be different forms
• One form always makes its effect known over the other
• One is “dominant” while the other is “recessive”
![Page 13: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/13.jpg)
Law of Segregation
• Pairs of factors are separated during the formation of gametes (sex cells)
• A sperm or an egg will carry just one factor (gene)
![Page 14: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/14.jpg)
Law of Independent Assortment
• Characteristics are inherited independently from one another
• Where a blue eyed gene goes will not affect where a skin color gene goes
• Exception – gene linkage (genes closely located on same chromosome)
• Like passengers on the same bus!
![Page 15: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/15.jpg)
Final Chapter
• Selected as abbot of monastery in 1868• Planned experiments put aside• Unrecognized in his own day• Recognized in 1900 by 3 independent
researchers: Hugo DeVries, Carl Correns, and Erich von Tschermak
• Credited as discoverer of laws of heredity• Died January 6, 1884
![Page 16: Johann Gregor Mendel The Father of Genetics. Early Life Born July 22, 1822 In Heinzendorf, Austrian Silesia Now Hyncice, Czech Republic Cobbler’s son.](https://reader034.fdocuments.net/reader034/viewer/2022042615/56649cf45503460f949c1aec/html5/thumbnails/16.jpg)