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REDISCOVERY OF MENDEL'S LAWS (THE BIRTH OF GENETICS)
1. It was in 1900 that three botanist independently rediscovered the principles of heredity already worked out by Mendel. They were :-
(i) Carl Correns - Germany
(ii) Hugo de Vries - Holland
(iii) Erich von Tschermak - Austria
2. Correns give the two law of Mendelism - law of segregation and law of independent assortment.
3. Hugo de Vries also found out the paper of Mendel and got it published in "Flora" in 1901.
4. Bateson, Punnet and other subsequent workers found Mendel's work to be of universal application including animals.
Define Advantages of Using the Plate Counts Method? 1. It is simple and sensitive method. 2. It provides viable count as only live cells will grow and produce the colony.
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ONSE T OF PUBERTY IN FEMALE - Attains at the age of 13 by estrogen hormone. It includes - 1. Growt h of breasts 2. Growth
Herb Stage - Xerarch The Soil-forming and soil-holding reactions of the mosses are so pronounced that the seeds of various xerophytic herbs, especially short-lived annuals: ar
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Explain mature monocot embryo:
Define the Food System in space? Mercury (1961-1963) astronauts had to eat bite-sized cubes, freeze dried powders, and semi liquids stuffed in aluminium tubes. For most asbonau
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