Скачать с ютуб Heredity and Evolution part 1,Class 10 science в хорошем качестве

Heredity and Evolution part 1,Class 10 science

• Introduction • Types of Variation → Somatic Variation → Gametic Variation • Accumulation of Variation during Reproduction → Variations in Asexual Reproduction → Variations in Sexual Reproduction → Importance of Variation • Mendel and His Work on Inheritance → Seven pairs of contrasting characters in Garden Pea → Mendel’s Experimental Material • Monohybrid Cross → Pure or homozygous condition → Hetrozygous condition (Hybrid) → Observations of Monohybrid Cross and Conclusion • Dihybrid Cross → Phenotypic Ratio → Observations and Conclusions → How do these traits get expressed • Sex Determination → Factors responsible for Sex Determination → Sex Chromosomes • Evolution → Situation I (Group of red and green beetles) → Situation II (Group of red and blue beetles) → Situation III (Group of red beetles and Bushes) • Acquired and Inherited Traits • Ways by which Speciation takes place → Gene flow → Genetic drift → Natural selection → Geographical isolation • Evolution and Classification → Evidences of Evolution → Age of the fossils → Evolution by Stages • Evolution by Artificial Selection → Molecular Phylogeny • Human Evolution