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All Class 12 Biology UnitsUnit VII • Genetics

Genetics and Evolution

Mendelian Inheritance, Molecular DNA Mechanisms & Evolutionary Divergence

The core foundational pillar of modern biology covering Mendelian genetics, chromosomal theory, DNA replication, transcription, genetic code, translation, human genome project, and evolutionary mechanisms.

Unit Chapters
3Chapters
NEET Weightage
18-20% (12-14 Qs)
Standard
100%NCERT
Showing 3 of 3 Chapters
CHAPTER 4

Principles of Inheritance and Variation

Mendel's Laws & Dihybrid Crosses, Linkage & Genetic Recombination (Morgan), Sex Determination in Humans & Birds, Pedigree Analysis & Mendelian Disorders.

Chapter 4 • NCERT
CHAPTER 5

Molecular Basis of Inheritance

DNA Double Helix & Nucleosome Packaging, Replication Fork & DNA Polymerase, Transcription & Post-transcriptional Processing, Lac Operon Model & Human Genome Project.

Chapter 5 • NCERT
CHAPTER 6

Evolution

Oparin-Haldane Theory & Miller-Urey, Homologous vs Analogous Structures (Adaptive Radiation), Hardy-Weinberg Principle & Genetic Drift, Stages of Human Evolution (Australopithecus to Homo sapiens).

Chapter 6 • NCERT