Gregor Mendel Achievements

Topics: Genetics, Gregor Mendel, Plant Pages: 2 (408 words) Published: June 27, 2013
Mendel used to conduct his very famous hereditary experiments in his free time. He did something no one had ever done before and no one ever had analyzed statistically the experiments of breeding. It was Mendel’s knowledge of natural sciences and his studies that helped him carry out these experiments. He usually chose to work with pea plants and selected only those ones that were cultivated in controlled atmosphere and were a pure variety. He cross bred many seeds and then found out results of the seven most evident seeds and variations.

It was concluded by Mendel that short plants created only short heighted off springs while tall plants gave both short and long plants. He also discovered that only one third of the long heighted plants gave long heighted off springs so he figured out that long plants were of two types, ones that gave bred true plants and the others that did not bred true plants.

Mendel continued with his experiments. He thought that he’d find more about the off springs by cross breeding the plants of different sizes. He thought that by crossing a long plant and a small plant, a plant of medium size would be produced but later on he found out that was not true. Mendel crossed different plants and calculated the results. He planted some plants with the cross of long and short plants and then planted the seeds of some long plants and pollinated some of them himself.

As a result, the naturally pollinated plants from the cross of short-long plants were long and the ones of long plants that were unnaturally pollinated sprouted short. The tallness of the plant which is said to be the most overpowering feature was said to the dominant trait while the shortness was known as the recessive trait. The results did not vary whether a male plant was used or a female plant. This investigation of Mendel’s took more than eight years to finish and it almost included 30,000 plants or more.

The law of segregation which is the first heredity law was...
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