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Gregor Mendel Biography

Gregor Johann Mendel (Czech: Řehoř Jan Mendel; 20 July 1822 – 6 January 1884) (English: /ˈmɛndəl/) was a scientist, Augustinian friar and abbot of St. Thomas' Abbey in Brno, 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. 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.

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Gregor Mendel Quotes

The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used, and thus in the case before us it cannot be immaterial what plants are subjected to experiment and in what manner such experiment is conducted.

Determined, Plant, Purpose, Subjected, Used, Utility

Those traits that pass into hybrid association entirely or almost entirely unchanged, thus themselves representing the traits of the hybrid, are termed dominating and those that become latent in the association, recessive.

Association, Become, Hybrid, Latent, Pass, Termed

My experiments with single traits all lead to the same result: that from the seeds of hybrids, plants are obtained half of which in turn carry the hybrid trait (Aa), the other half, however, receive the parental traits A and a in equal amounts. Thus, on the average, among four plants two have the hybrid trait Aa, one the parental trait A, and the other the parental trait a. Therefore, 2Aa+ A +a or A + 2Aa + a is the empirical simple series for two differing traits.

Average, Carry, Four, Half, Science, Simple

To live without experiencing some shame and blushes of admiration would surely be a wretched life.

Admiration, Blushes, Live, Misery, Sadness

In this generation, along with the dominating traits, the recessive ones also reappear, their individuality fully revealed, and they do so in the decisively expressed average proportion of 3:1, so that among each four plants of this generation three receive the dominating and one the recessive characteristic.

Among, Average, Decisively, Individuality, Science

That no generally applicable law of the formulation and development of hybrids has yet been successfully formulated can hardly astonish anyone who is acquainted with the extent of the task and who can appreciate the difficulties with which experiments of this kind have to contend.

Applicable, Development, Formulation, Law, Science, Success

I am convinced that it will not be long before the whole world acknowledges the results of my work.

Acknowledges, Believe In Yourself, Confidence, Convinced, Long

When two plants, constantly different in one or several traits, are crossed, the traits they have in common are transmitted unchanged to the hybrids and their progeny, as numerous experiments have proven; a pair of differing traits, on the other hand, are united in the hybrid to form a new trait, which usually is subject to changes in the hybrids' progeny.

Changes, Different, Hand, Hands, Science, Two

If A denotes one of the two constant traits, for example, the dominating one, a the recessive, and the Aa the hybrid form in which both are united, then the expression: gives the series for the progeny of plants hybrid in a pair of differing traits.

Differing, Example, Expression, Giving, Hybrid, Two

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Tracie Thoms

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Sadie Tanner Mossell Alexander

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Bill Engvall

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Terry Riley

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Ian Svenonius

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Peter Schiff

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Graeme Smith

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Danielle Bradbery

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Sally Kellerman

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Emily Saliers

Henry II of France

Henry II of France

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Dennis Rader