Class 12 Biology — Chapter 5: Sex Determination (Principles of Inheritance & Variation)

Class 12 Biology — Chapter 5: Sex Determination (Principles of Inheritance & Variation)
This short revision covers all important concepts, diagrams and solved board-style questions on Sex Determination for Class 12 (JAC). Learn mechanisms (XX/XY, ZW, XO), gynandromorphs, sex-linked inheritance, dosage compensation and quick shortcuts to answer 2–5 mark questions in exams.

What you’ll learn:

Key mechanisms: XX/XY, ZW, XO, haplodiploidy

Sex-linked and sex-limited traits and examples

Dosage compensation (X-inactivation) explained with diagram

Solved board questions and exam tips

Quick recall tricks and important keywords for answer

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Видео Class 12 Biology — Chapter 5: Sex Determination (Principles of Inheritance & Variation) канала CWH SCIENCE