Chapter 2 of 20
Revision Notes
Heredity and Evolution — Revision Notes
Maharashtra Board · Class 10 · Science
Heredity and Evolution revision notes for Maharashtra Board Class 10 Science: 4 topics in quick points. Includes Heredity and Hereditary Changes.
43 questions40 flashcards5 concepts
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Key Topics to Revise
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1. Heredity and Hereditary Changes
- Gregor Johann Mendel is the pioneer of modern genetics.
- Heredity is the transfer of biological characters from one generation to another via genes.
- In 1901, Hugo de Vries explained sudden changes through the mutational theory.
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2. Transcription, Translation and Translocation
- DNA stores information for protein synthesis.
- This is called as Central Dogma.
- RNA contains uracil instead of thymine found in DNA.
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3. Evolution and Its Meaning
- Evolution is the gradual change occurring in living organisms over a long duration.
- Formation of new species due to changes in specific characters of several generations of living organisms as a response to natural selection, is called as evolution.
- The duration of evolutionary changes is at most 300 crore years.
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4. Evidences of Evolution
- Morphological evidences are based on similarities in body features.
- In animals, similarities in mouth structure, eye position, nostrils, ear pinnae and body hair suggest common ancestry.
- In plants, similarities in leaf shape, venation and petiole suggest common ancestry.
Get complete notes with diagrams and examples
Full NotesKey Concepts
Heredity is the transfer of biologicalDNA is the genetic materialTranscription is the process of RNATranslation is the process inThe code for each amino acid
Frequently Asked Questions
What are the important topics in Heredity and Evolution for Maharashtra Board Class 10 Science?
Key topics in Heredity and Evolution include Heredity and Hereditary Changes, Transcription, Translation and Translocation, Evolution and Its Meaning, Evidences of Evolution. Study these first, then practise questions on each for the Maharashtra Board Class 10 board exam.
How should I revise Heredity and Evolution for the Maharashtra Board Class 10 board exam?
Learn the core ideas first, then work through the 43 practice questions on Heredity and Evolution. Revise definitions regularly and use flashcards for quick recall before the exam.
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