The following points highlight the four theories for organic evolution of living organisms. The theories are: 1. Lamarckian Theory 2. Darwinism and the Theory of Natural Selection 3. Synthetic Theory of Evolution 4. De Vries—The Theory of Mutation. Theory # 1. Lamarckian Theory: Jean Baptiste de Lamarck (1744-1829), a French Scientist, was undoubtedly the first […]
Organic Evolution of Living Organisms | Biology
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Organic Evolution of Living Organisms | Biology
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The following points highlight the nine evidences for organic evolution of living organisms. The evidences are: 1. Bio-Geographical 2. Morphological 3. Embryological 4. Geological 5. Taxonomical 6. Comparative Physiology and Biochemistry 7. Cytogenetical 8. Domestication 9. Specific Adaptations. Evidence # 1. Bio-Geographical: The study of biogeography or the geographical distribution of animals and plants on […]
3 Main Laws of Genetics Proposed by Mendel | Biology
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The following points highlight the three main laws of genetics proposed by Mendel. The laws are: 1. Law of Dominance and Recessive 2. Factors and their Segregation 3. Dihybrid Cross. Law # 1. Law of Dominance and Recessive: Mendel designated dominant, the character which appears in F1 masking the effect of the factor for the […]
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