Pedigree Analysis | Autosomal Dominant/Recessive | X- Linked Dominant/ Recessive | Class 12 biology

Pedigree Analysis | Autosomal vs X-linked Traits | Dominant & Recessive | Class 12 | NEET Pedigree analysis is a powerful tool in human genetics used to trace the inheritance of traits across generations. By studying a pedigree chart, we can identify whether a particular character or genetic disorder follows an autosomal dominant, autosomal recessive, X-linked dominant, or X-linked recessive pattern of inheritance. Understanding these patterns is essential for NEET, Board Exams, and medical entrance preparation. In this video, we will systematically decode how to read pedigrees, identify carriers, and differentiate among the four major types of inheritance patterns using rules, clues, and real-life examples. 📌 What You Will Learn in This Video ✔ What is Pedigree Analysis? ✔ Symbols used in pedigree charts ✔ How to recognize Autosomal Dominant inheritance  • Trait appears in every generation  • Affected individuals have at least one affected parent  • Both males and females equally affected  • No carriers ✔ How to identify Autosomal Recessive inheritance  • Trait may skip generations  • Unaffected parents can produce affected offspring (carriers)  • Both sexes equally affected  • More common in consanguineous marriages ✔ Features of X-linked Dominant inheritance  • Affected fathers pass the trait to all daughters but never to sons  • Affected mothers transmit to both sons and daughters  • More females affected than males ✔ Characteristics of X-linked Recessive inheritance  • Mostly affects males  • Affected males inherit the trait from carrier mothers  • Fathers cannot pass the trait to sons  • Classic examples include colour blindness and haemophilia 📚 Why This Topic Is Important? Pedigree-based questions are frequently asked in NEET Biology, CBSE Class 12 Board Exams, and various competitive exams. Mastering this topic helps students score full marks in genetics and easily solve MCQs involving family inheritance patterns and probability-based problems. #pedigreeanalysis #autosomaldominant #autosomalrecessive #xlinkeddominant #xlinkedrecessive #genetics #class12biology #NEET2025 #inheritancepatterns #pedigreechart #biologytricks #geneticdisorders #sexlinkedtraits #principlesofinheritance #humanGenetics #cbseclass12 #neetpreparation