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DEVELOPMENT OF GENETICS-A HISTORICAL PERSPECTAs systematic study of genetics began, answers were sought to questions such as
i) why are we like our parents?
ii) why do organisms belonging to a group have an astonishing similarity to each other?
The first geneticists were the persons who observed that "like begets like" and then used this basic observation to improve their strains. Domestication of animals like dogs, cats and cattle, was started when huma& learned how to control the matings of these species. Once animals were tamed, people could breed more of those which they found most useful and the control of lineage remained with humans. Cultivation of crops required that seeds of one generation were saved to produce the next generation. Therefore, the seeds that were saved were from the largest and the healthiest plants.
Next, scientists started seeking answers to the question as to why we are like our parents but are also different from them in many respects. It was only after the work of Mendel was published in 1860s that. answers to these questions started to emerge.
Briefly explain about Pickled vegetables These are produced by spontaneous lactic acid fermentation. Fermentation improves the digestibility and wholesomeness of the product.
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Which is better to grow plants in Rock sand or soil? When we grew plants inside, with there is no wind, and the plants in the rocks grew improved than the plants that were grow
Q. What are risk factors for diseases? The Risk factors for a disease are everything that contributes to increase the risk of the disease to appear. For example, for most cardi
Eucaryotic cell structure All eucaryotic cells have a cytoskeleton made up of a network of protein filaments (Figure shown below). This network gives the cell its shape, capac
Q. Concerning their respective intermediate hosts how different are Taenia solium and Taenia saginata? The midway hosts of the Taenia solium are pigs and the intermediate hosts
different applications of microbiology
Determine the term - Test-retest reliabilities The test manual reports reliability data. Test-retest reliabilities for the 13 main scales range from .78 to .96. The problem of
What are the techniques of pumonary embolism operations ? Technique of Operation : Patients who are very unstable will have to be put on bypass by cannulation of femoral art
What is Photosynthesis ? Photosynthesis is the method by which plants trap radiant energy from the sun and convert the energy into a biochemical form. This biochemical energy
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