Gregor mendel experiments
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About Gregor Johann Mendel, O.S.A.
Gregor Johann Mendel was born on 22 July 1822 in Hynčice, Moravia, in what is now the Czech Republic. He attended local schools and in 1843, he entered the Augustinian Order at St. Thomas Monastery in Brünn. He began his theological studies at the Brünn Theological College and was ordained to the priesthood on 6 August 1847.
The Augustinian Order was established in Moravia in 1350, and in Mendel’s time St. Thomas Monastery was a center of creative interest in the sciences and culture. Its members included well-known philosophers, a musicologist, mathematicians, mineralogists and botanists who were heavily involved in scientific research and teaching. The magnificent library contained precious manuscripts and incunabula, as well as textbooks dealing with problems in the natural sciences. The monastery also held a mineralogical collection, an experimental botanical garden and a herbarium. It was in this atmosphere, Mendel later wrote, that his preference for the natural sciences was developed.
Mendel the Teacher
After his ordi
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Gregor Mendel
Gregor Johann Mendel (Heinzendorf, Austria,[1] 20 July 1822 – Brünn, Austro-Hungary,[2] 6 January 1884) was an Austrianmonk and botanist.[3]
Mendel founded genetics by his work cross-breeding peaplants. He discovered dominant and recessive characters, i.e. genes from the crosses he performed on the plants in his greenhouse. What he learnt is known today as Mendelian inheritance. His work was not appreciated at first, but was 'rediscovered' in 1900 by Carl Correns and Hugo de Vries. Erich von Tschermak's status as a third rediscoverer is now less convincing.[source?]
The experiments
[change | change source]Mendel used the edible peas (Pisum sativum) for his crosses. He selected seven characters which were distinctive, and never blended; they occurred as either-or alternatives. Examples: plant height (short or tall); colour of peas (green or yellow); position of flowers (restricted to the top or distributed along the stem).[source?]
When he crossed varieties which differed in a trait (e.g. tall crossed
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Gregor Mendel
Austrian friar and scientist (1822–1884)
Gregor Johann MendelOSA (; Czech: Řehoř Jan Mendel;[2] 20 July 1822[3] – 6 January 1884) was an Austrian[4][5] biologist, meteorologist,[6] mathematician, Augustinianfriar and abbot of St. Thomas' Abbey in Brno (Brünn), Margraviate of Moravia. Mendel was born in a German-speaking family in the Silesian part of the Austrian Empire (today's Czech Republic) and gained posthumous recognition as the founder of the modern science of genetics.[7] Though farmers had known for millennia that crossbreeding of animals and plants could favor certain desirable traits, Mendel's pea plant experiments conducted between 1856 and 1863 established many of the rules of heredity, now referred to as the laws of Mendelian inheritance.[8]
Mendel worked with seven characteristics of pea plants: plant height, pod shape and color, seed shape and color, and flower position and color. Taking seed color as an example, Mendel showed that when a true-breeding yellow pea and a tr
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