Genetic Variation & Natural Selection: Sickle Cell Example | UPSC Anthropology

Описание: In this video, we explain the concept of genetic variation, using the Sickle Cell Trait (HbA → HbS) as a classic example from UPSC Anthropology.
You will understand why the sickle-cell gene becomes advantageous in warm equatorial African regions, especially due to malaria resistance, and why the same trait becomes a disadvantage in cold environments.

This lecture is extremely useful for:
✔️ UPSC Anthropology Optional
✔️ Evolution & Human Variation
✔️ Adaptation, Selection & Environment
✔️ Genetics & Human Diversity Topics

Perfect for UPSC CSE, Anthropology Optional aspirants who want clear conceptual understanding with exam-oriented explanations.

UPSC Anthropology, Anthropology Optional, Sickle Cell Trait, Genetic Variation, HbA HbS, Sickle Cell vs Malaria, Natural Selection, Evolution UPSC, Human Variation UPSC, Adaptive Advantage, Warm Equatorial Regions, African Population Genetics, Advantages of Sickle Cell, Disadvantages of Sickle Cell, Cold Environment Adaptation, Malaria Resistance, Anthropology Lectures UPSC, UPSC Optional Notes, Human Genetics UPSC.

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