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“Gregor Mendel

By the 1890's, the invention of better microscopes allowed biologists to discover the basic facts of cell division and sexual reproduction. The focus of genetics research then shifted to understanding what really happens in the transmission of hereditary traits from parents to children. A number of hypotheses were suggested to explain heredity, but Gregor Mendel, a little known Central European monk, was the only one who got it more or less right. His ideas had been published in 1866 but largely went unrecognized until 1900, which was long after his death. His early adult life was spent in relative obscurity doing basic genetics research and teaching high school mathematics, physics, and Greek in Brno (now in the Czech Republic). In his later years, he became the abbot of his monastery and put aside his scientific work.

While Mendel's research was with plants, the basic underlying principles of heredity that he discovered also apply to people and other animals because the mechanisms of heredity are essentially the same for all complex life forms.

Through the selective cross-breeding of common pea plants (Pisum sativum) over many generations, Mendel discovered that certain traits show up in offspring without any blending of parent characteristics. For instance, the pea flowers are either purple or white--intermediate colors do not appear in the offspring of cross-pollinated pea plants. Mendel observed seven traits that are easily recognized and apparently only occur in one of two forms:

1. flower color is purple or white 5. seed color is yellow or green
2. flower position is axil or terminal 6. pod shape is inflated or constricted
3. stem length is long or short 7. pod color is yellow or green
4. seed shape is round or wrinkled “

Hi Gerda, this article [] shows how clever peas are. And it shows how clever people can be by developing methods of analyzing the world about us. The evolutions of forms in this Universe, goes from simple to more complex. But your point is that it goes and goes and goes. I think that there is a “passion” for going! It may not sound scientific but there you have it.

Edited 1 time(s). Last edit at 25-Nov-18 16:09 by Eddie Larry.

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Subject Views Written By Posted
My intelligent green garden peas. 942 greengirl5 25-Nov-18 01:27
Re: My intelligent green garden peas. 151 Eddie Larry 25-Nov-18 16:05
Re: My intelligent green garden peas. 147 Itatw70s 25-Nov-18 20:22
Re: My intelligent green garden peas. 145 Eddie Larry 25-Nov-18 21:11
Re: My intelligent green garden peas. 250 Itatw70s 25-Nov-18 21:26

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