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About. Transcript. Explore the fascinating world of extranuclear inheritance with Carl Correns' experiments on the 4 o'clock plant. Discover how leaf color, determined by chloroplast DNA, exhibits maternal inheritance. Dive into the endosymbiotic theory explaining why mitochondria and chloroplasts have their own DNA.
- 14 min
- Efrat Bruck
- Are these videos just proof of concepts? Does anyone believe the MCAT could actually ask us about so...It creates more associations to material that you will be tested, and thus more likely to remember.
- Why are egg cell types 1 and 2 within the variegated bracket? Isn't the only variegated cell type 3?...I think what she means to say is that the variegated leaves have both the first two cell types, and a hybrid as well that contains both heavily-pig...
- Is there such a thing as paternal inheritance in the context of extranuclear inheritance?Actually, there are some cases of mitochondrial DNA inherited paternally. One of such cases is described here: http://www.nejm.org/doi/full/10.1056...
- At 10.00 she mention something about mitochrondia disease, This wasn't really talked about in the vi...The inheritance of mitochondrial disease is actually very complicated and not yet fully understood. In general, however, the offspring are not guar...
- 8:26 Why does the egg type 3 divide into three different cells: Mixed, Green and White?Because all of those cells will go on to divide further into more and more cells to make up the organism. Sometimes when that cell divides, it'll h...
Carl Correns was born in Münich, Germany, and was orphaned at an early age. He was raised by his aunt in Switzerland. In 1885, he entered the University of Münich to study botany. Carl Nägeli, the botanist to whom Mendel wrote to about his pea plant experiments, was no longer lecturing at Münich. Nägeli, however, knew Correns ...
Carl Erich Correns (19 September 1864 [2] – 14 February 1933) was a German botanist and geneticist notable primarily for his independent discovery of the principles of heredity, which he achieved simultaneously but independently of the botanist Hugo de Vries, and for his acknowledgment of Gregor Mendel 's earlier paper on that subject.
- 14 February 1933 (aged 68), Berlin, Germany
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Hello, I'm Hugo de Vries. Working with flowering plants, I worked out the laws of heredity. Hello, I'm Carl Correns. Using maize and peas, I worked out the laws of heredity. Hello, I'm Erich von Tschermak-Seysenegg. As a graduate student, I worked out the laws of heredity using peas.
During the same decade, German botanist Carl Correns (Fig. 2) was also experimenting with plant hybridization. In his experiments with hawkweed, he (like de Vries) discovered the underlying principles of Mendel’s experiment without previous knowledge of Mendel.
May 2, 2020 · MENDELIAN LAW . Mendelian laws of heredity did not come into the limelight until 1900 when three botanists—Hugo de Vries, Erich von Tschermak, and Carl Correns—began independently conducting similar experiments with plants and arrived at conclusions similar to those of Mendel. There are three Mendelian laws: Mendelian law of segregation
Carl Erich Correns (1864-1933) Carl Correns was born in Münich, Germany, and was orphaned at an early age. He was raised by his aunt in Switzerland. In 1885, he entered the University of Münich to study botany. Carl Nägeli, the botanist to whom Mendel wrote to about his pea plant experiments, was no longer lecturing at Münich.
