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Role of Cytogenetics In Plant Improvement-Theory of Evolution and Darwinism-Assignment Solution

Exercises, Evolution

Post: July 22th, 2012
Description
This is solved assignment for Evolution course. It was submitted to Prof. Gorakh Varma at Aligarh Muslim University. It includes: Role, Cytogenetics, Plant, Improvement, Development, Organisms, Structural, Variations, DNA, Assisted, Breeding, Fiber
This is solved assignment for Evolution course. It was submitted to Prof. Gorakh Varma at Aligarh Muslim University. It includes: Role, Cytogenetics, Plant, Improvement, Development, Organisms, Structural, Variations, DNA, Assisted, Breeding, Fiber
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What is the role of cytogenetics in plant improvement? Cytogenetics is the science of chromosome number, shape, type and their inheritance, recombination and expression. It is the science which deals with the evolution and improvement of organisms. During last few decades, plant cytogenetics has got a drastic improvement with the help of molecular techniques. Development in plant cytogenetics can be divided into some phases. 1. In first phase of development the scientists focused on the structural and numerical variation of the chromosomes. 2. In the second phase of development in cytogenetics, scientists concentrated on the DNA content and composition of unique as well as repeated forms of DNA fragments. 3. The third phase of cytogenetics brought the trend of marker assisted breeding, marker associated traits and use of molecular markers in detecting linkages. This technique led to the formation of physical maps of chromosomes of various plants. 4. Later era led to the study of whole ..

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