Principles of Inheritance and Variation - Class 12 CBSE Important Questions 2023 | Class 12 Biology
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✅ In this video,
✔️ Class: 12th
✔️ Subject: Biology
✔️ Chapter: Principles of Inheritance and Variation (Chapter 5)
✔️ Topic Name: Principle of Inheritance and Variation - Class 12 CBSE Important Questions 2023 | Class 12 Biology Chapter 5
✔️ Topics Covered In This Video (By Shubham Sir): Detailed solutions of important questions of Chapter 5 Principle of Inheritance and Variation Class 12 Biology for CBSE Board Exam 2022-23 have been discussed.
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00:00 Introduction: Principles of Inheritance and Variation
02:10 Mind Map: Principles of Inheritance and Variation
04:30 Mendel's Law of Inheritance
12:22 Contrasting Traits Studied by Mendel in Pea
16:21 True breeding
18:11 Inheritance of 1 gene
22:38 F2 generation → selling: Tt x Tt
27:24 Law of Dominance
29:32 Laws of segregation
31:29 Exception of law of Dominance
35:21 Multiple allelism
38:27 Inheritance of 2 genes
48:04 Law of Independent Assortment
50:21 Chromosomal theory of Inheritance
52:18 Linkage
53:43 Alfred Sturtevant
54:46 Sex Determination
59:35 Mutation
01:01:36 Genetic Disorders
01:02:53 Pedigree Analysis
01:07:48 Mendelian Disorder
01:08:55 Hemophilia
01:10:07 Female becoming hemophilic is very rare as it requires
01:11:09 Sickle cell anaemia
01:13:12 Phenylketonuria
01:14:35 Chromosomal Disorders
01:20:05 Question 1 to 10: Multiple Choice Questions (MCQ): Principles of Inheritance and Variation
Question 1 - All genes located on the same chromosome.
01:49:14 Question 11 to 18: Multiple Choice Questions (MCQ): Principles of Inheritance and Variation
02:13:47 Question 1 to 10: Very Short Answer type Questions: Principles of Inheritance and Variation
Question 1 - What is the cross between the progeny of F, and the homozygous recessive parent called? How is it useful?
02:53:49 Question 11 to 15: Very Short Answer type Questions: Principles of Inheritance and Variation
03:07:35 Question 1 to 10: Short Answer type Questions: Principles of Inheritance and Variation
Question 1 - In a Mendelian monohybrid cross, the F, generation shows identical genotypic and phenotypic ratios. What does it tell us about the nature of alleles involved? Justify your answer.
03:45:41 Question 11 to 15: Short Answer type Questions: Principles of Inheritance and Variation
03:58:33 Question 1 to 4: Long Answer type Questions: Principles of Inheritance and Variation
Question 1 - In a plant tallness is dominant over dwarfness and red flower is dominant over white. Starting with the parents work out a dihybrid cross. What is standard dihybrid ratio? Do you think the values would deviate if the two genes in question are interacting with each other?
04:23:41 Question 1 to 5: Case Based Questions: Principles of Inheritance and Variation
Question 1 - Read the following and answer any four questions from (i) to (v) given below:
05:42:01 Website Overview
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