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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.
What is the difference between ectoparasite and endoparasite? Ectoparasites are parasites that explore the external surface of the host (as, for example, mites that parasite th
general Characters
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How do calcium ions participate in muscle contraction? Why do both muscle contraction and muscle relaxation spend energy? In the muscle cells calcium ions are kept within the s
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Q. What are the main symptoms of the pulmonary and of the intestinal phases of the ascaris infestation? In the pulmonary period the ascaris infestation causes hemoptysis, cough
Palpation: Use the ball of one hand and move the hand from one side of the posterior thorax to other. Note presence of swelling, masses, muscle tone, fremitus and crepitation.
FORMATION OF SOIL Evolution of Earth took place five to eight billion years ago when it was a red hot magma (molten rock). It took millions of years for the magma to cool down
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