Class 12 Biology Chapter 4 Principles of Inheritance and Variations | 12th Biology Chirag Series

Class 12 Biology Chapter 4 Principles of Inheritance and Variations | Mendels Law of Inheritance | 12th Biology Chirag Series Revision Class By Vandana Mam RWA Telegram:- https://t.me/+_eEGf4LkPOYxZWRl Welcome to Chirag Series Revision Classes for Class 12 Biology, specially designed for UP, Bihar, Rajasthan, and MP Board Exam 2025. In this live session, Vandana Mam will thoroughly explain Chapter 4 – Principles of Inheritance and Variations with key concepts, diagrams, Mendelian & Non-Mendelian inheritance, important PYQs, and NCERT highlights to ensure complete syllabus coverage and easy revision before the board exams. 📌 Topics Covered in this Session: ✅ Mendel’s Laws of Inheritance – Law of Dominance, Segregation & Independent Assortment 🌱🧪 ✅ Monohybrid & Dihybrid Cross – Punnett Square, Genotypic & Phenotypic Ratios 🌾📊 ✅ Deviation from Mendelian Ratios – Incomplete Dominance, Co-dominance, Multiple Allelism 🧬 ✅ Chromosomal Theory of Inheritance – Linkage & Recombination, Morgan’s Experiment 🔗🔄 ✅ Sex Determination – Mechanism & Examples (XX-XY, ZW-ZZ, Haplo-Diploidy) 🧑‍🔬🔬 ✅ Genetic Disorders – Autosomal & Sex-Linked Disorders (Sickle Cell Anemia, Hemophilia, Down’s Syndrome) 💉🧬 ✅ PYQs & Important MCQs for Board Exams 🚀 Why Watch This Class? 🔹 Concept Clarity with NCERT-Based Explanations 🔹 Exam-Focused PYQs & MCQs to Score 90+ Marks 🔹 Quick Revision with Easy Tricks & Diagrams 🔹 Live Doubt Solving with Vandana Mam 🎯 Best for: UP, Bihar, Rajasthan & MP Board Students preparing for Biology Board Exam 2025! 📍 Join the Live & Strengthen Your Biology Concepts! 🚀 #Class12Biology #PrinciplesOfInheritance #BoardExam2025 #ChiragSeries #VandanaMamRWA ♏ रोजगार विद अंकित 𝐜𝐡𝐚𝐧𝐧𝐞𝐥 की किताब को ऑर्डर करने के लिए 𝐜𝐥𝐢𝐜𝐤 𝐡𝐞𝐫𝐞 👉 https://rojgar.click/uiaVA ♏ प्यारे साथियों आपका स्वागत है 𝐑𝐨𝐣𝐠𝐚𝐫 𝐰𝐢𝐭𝐡 𝐀𝐧𝐤𝐢𝐭 परिवार में 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 डाउनलोड करने के लिए क्लिक करें 𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐧𝐨𝐰 👉 https://rojgar.click/aBgMM ♏ हमारे 𝐖𝐡𝐚𝐭𝐬𝐀𝐩𝐩 चैनल को जॉइन करें 👉 https://rojgar.click/DYITX ➪➫➬➪➫➬➪➫➬➪➫➬➪➫➬➪➫➬➪➫➬ ♎ 𝐒𝐮𝐛𝐬𝐜𝐫𝐢𝐛𝐞 𝐨𝐮𝐫 𝐨𝐭𝐡𝐞𝐫 𝐜𝐡𝐚𝐧𝐧𝐞𝐥𝐬 :- ◈ 𝐑𝐨𝐣𝐠𝐚𝐫 𝐰𝐢𝐭𝐡 𝐀𝐧𝐤𝐢𝐭 :- https://rojgar.click/bIkqq ◈ 𝐓𝐞𝐚𝐜𝐡𝐢𝐧𝐠 𝐛𝐲 𝐑𝐨𝐣𝐠𝐚𝐫 𝐰𝐢𝐭𝐡 𝐀𝐧𝐤𝐢𝐭 :- https://rojgar.click/KbqSR ◈ 𝐑𝐨𝐣𝐠𝐚𝐫 𝐰𝐢𝐭𝐡 𝐀𝐧𝐤𝐢𝐭 𝐝𝐞𝐟𝐞𝐧𝐜𝐞 :- https://rojgar.click/Bjrzg ◈ 𝐁𝐚𝐧𝐤𝐢𝐧𝐠 𝐁𝐲 𝐑𝐨𝐣𝐠𝐚𝐫 𝐰𝐢𝐭𝐡 𝐀𝐧𝐤𝐢𝐭 :- https://rojgar.click/HGWXc ◈ 𝐑𝐖𝐀 𝐂𝐢𝐯𝐢𝐥 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 :- https://rojgar.click/CeIgd ◈ 𝐑𝐖𝐀 Tuition 9th & 10th Classes:- https://rojgar.click/okULV ◈ 𝐅𝐀𝐂𝐄𝐁𝐎𝐎𝐊 :- https://rojgar.click/TTcYw ◈ 𝐈𝐍𝐒𝐓𝐀𝐆𝐑𝐀𝐌 :- • https://rojgar.click/iSSTR B𝐫𝐨𝐝𝐜𝐚𝐬𝐭 :- https://rojgar.click/KCKiX ◈ 𝐑𝐖𝐀 𝐓𝐮𝐢𝐭𝐢𝐨𝐧 𝐂𝐥𝐚𝐬𝐬𝐞𝐬 𝐖𝐡𝐚𝐭𝐬𝐚𝐩𝐩:- https://rojgar.click/FHLib ◈ 𝐓𝐰𝐢𝐭𝐭𝐞𝐫 (𝐗) :- https://rojgar.click/gBBcZ ◈ 𝐑𝐰𝐚 𝐭𝐮𝐭𝐢𝐨𝐧 𝐜𝐥𝐚𝐬𝐬𝐞𝐬™ :- https://rojgar.click/uxUJx ◈ 𝐑𝐎𝐉𝐆𝐀𝐑 𝐖𝐈𝐓𝐇 𝐀𝐍𝐊𝐈𝐓 :- https://rojgar.click/jLWzV ➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟ ➷⬌ 𝗔𝗹𝗹 𝗴𝗼𝘃𝗲𝗿𝗻𝗺𝗲𝗻𝘁 𝗻𝗼𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝘂𝗽𝗱𝗮𝘁𝗲𝘀 :- https://rojgar.click/Bclfn ➷⬌ Career पर चर्चा 𝘽𝙮 Ankit Sir 𝙥𝙡𝙖𝙮𝙡𝙞𝙨𝙩 :- https://rojgar.click/LQbPA ➷⬌ 𝗠𝗲𝗱𝗶𝗰𝗮𝗹 𝗖𝗮𝗿𝗲𝗲𝗿 पर चर्चा:- https://rojgar.click/dSPOs ➷⬌ CUET U𝙥𝙙𝙖𝙩𝙚 𝘽𝙮 Avinash Sir 𝙥𝙡𝙖𝙮𝙡𝙞𝙨𝙩 :- https://rojgar.click/cyDOz ➷⬌ NEET U𝙥𝙙𝙖𝙩𝙚 𝘽𝙮 Avinash Sir 𝙥𝙡𝙖𝙮𝙡𝙞𝙨𝙩 :- https://rojgar.click/Uyzgb ➷⬌ 𝘼𝙡𝙡 Important 𝙪𝙥𝙙𝙖𝙩𝙚 𝘽𝙮 Avinash Sir 𝙥𝙡𝙖𝙮𝙡𝙞𝙨𝙩 :- https://rojgar.click/iOyIh ➷⬌ 𝐍𝐄𝐄𝐓 𝟐𝟎𝟐𝟒 𝐌𝐚𝐫𝐚𝐭𝐡𝐨𝐧 𝐁𝐲 𝐑𝐖𝐀 :- https://rojgar.click/nUQVn ➷⬌ 12𝘁𝗵 𝗖𝗵𝗲𝗺𝗶𝘀𝘁𝗿𝘆 𝗖𝗵𝗶𝗿𝗮𝗴 𝗦𝗲𝗿𝗶𝗲𝘀 𝗥𝗲𝘃𝗶𝘀𝗶𝗼𝗻 𝗕𝘆 𝗔𝘃𝗶𝗻𝗮𝘀𝗵 𝗦𝗶𝗿:- https://rojgar.click/Vecdv ➷⬌ 12𝘁𝗵 𝗘𝗻𝗴𝗹𝗶𝘀𝗵 𝗚𝗿𝗮𝗺𝗺𝗮𝗿 𝗖𝗵𝗶𝗿𝗮𝗴 𝗦𝗲𝗿𝗶𝗲𝘀 𝗥𝗲𝘃𝗶𝘀𝗶𝗼𝗻 𝗕𝘆 𝗦𝗵𝗮𝗵𝗿𝘂𝗸𝗵 𝗦𝗶𝗿 :- https://rojgar.click/VwnkU ➷⬌ 12𝘁𝗵 𝗣𝗵𝘆𝘀𝗶𝗰𝘀 𝗖𝗵𝗶𝗿𝗮𝗴 𝗦𝗲𝗿𝗶𝗲𝘀 𝗥𝗲𝘃𝗶𝘀𝗶𝗼𝗻 𝗕𝘆 𝗥𝗼𝗵𝗶𝘁 𝗦𝗶𝗿:- https://rojgar.click/caIDz ➷⬌ 12𝘁𝗵 𝗕𝗶𝗼𝗹𝗼𝗴𝘆 𝗖𝗵𝗶𝗿𝗮𝗴 𝗦𝗲𝗿𝗶𝗲𝘀 𝗥𝗲𝘃𝗶𝘀𝗶𝗼𝗻 𝗕𝘆 𝗦𝘄𝗮𝗯𝗵𝗶 𝗠𝗮𝗺:- https://rojgar.click/EhdIE ➷⬌ 12𝘁𝗵 𝗛𝗶𝗻𝗱𝗶 𝗕𝗶𝗵𝗮𝗿 𝗕𝗼𝗮𝗿𝗱 𝗥𝗲𝘃𝗶𝘀𝗶𝗼𝗻 𝗖𝗹𝗮𝘀𝘀𝗲𝘀 𝗕𝘆 𝗩𝗮𝗿𝘀𝗵𝗮 𝗠𝗮𝗺:- https://rojgar.click/PmyCX ➷⬌ 12𝘁𝗵 𝗛𝗶𝗻𝗱𝗶 𝗨𝗣 𝗕𝗼𝗮𝗿𝗱 𝗖𝗵𝗶𝗿𝗮𝗴 𝗦𝗲𝗿𝗶𝗲𝘀 𝗥𝗲𝘃𝗶𝘀𝗶𝗼𝗻 𝗕𝘆 𝗩𝗮𝗿𝘀𝗵𝗮 𝗠𝗮𝗺:- https://rojgar.click/PoWUO ➷⬌ 12𝘁𝗵 𝗛𝗶𝗻𝗱𝗶 𝗥𝗮𝗷𝗮𝘀𝘁𝗵𝗮𝗻 & 𝗠𝗣 𝗕𝗼𝗮𝗿𝗱 𝗥𝗲𝘃𝗶𝘀𝗶𝗼𝗻 𝗖𝗹𝗮𝘀𝘀 𝗕𝘆 𝗩𝗮𝗿𝘀𝗵𝗮 𝗠𝗮𝗺:- https://rojgar.click/VsVDn ➷⬌ 12𝘁𝗵 𝗠𝗮𝘁𝗵𝘀 𝗖𝗵𝗶𝗿𝗮𝗴 𝗦𝗲𝗿𝗶𝗲𝘀 𝗥𝗲𝘃𝗶𝘀𝗶𝗼𝗻 𝗕𝘆 𝗔𝗺𝗶𝘁 𝗦𝗶𝗿:- https://rojgar.click/TWZMG ➷⬌ 12𝘁𝗵 𝗘𝗻𝗴𝗹𝗶𝘀𝗵 𝗖𝗵𝗶𝗿𝗮𝗴 𝗦𝗲𝗿𝗶𝗲𝘀 𝗥𝗲𝘃𝗶𝘀𝗶𝗼𝗻 𝗕𝘆 𝗦𝗵𝗮𝗵𝗿𝘂𝗸𝗵 𝗦𝗶𝗿:- https://rojgar.click/HURyf ➷⬌ 12𝘁𝗵 𝗕𝗼𝗮𝗿𝗱 𝗘𝘅𝗮𝗺 𝗧𝗿𝗲𝗻𝗱𝗶𝗻𝗴 𝗧𝗼𝗽𝗶𝗰𝘀 𝗕𝘆 𝗥𝗪𝗔:- https://rojgar.click/CpedN ➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟➟ ➪➫➬➪➫➬➪➫➬➪➫➬➪➫➬➪➫➬➪➫➬ ♎ 𝐇𝐞𝐥𝐩𝐥𝐢𝐧𝐞 𝐧𝐮𝐦𝐛𝐞𝐫 :- ☗ किसी भी परेशानी या सुझाव के लिए आप हमसे संपर्क कर सकते हैं। ☎ +919311737467 ☗ आप हमें व्हाट्सएप भी कर सकते हैं। 📌 https://rojgar.click/GnKnS 𝐓𝐡𝐚𝐧𝐤𝐬 𝐟𝐨𝐫 𝐚𝐥𝐥 𝐟𝐫𝐢𝐞𝐧𝐝𝐬.... Search Terms:-