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Chapters
Chapter 2: Sexual Reproduction in Flowering Plants
Chapter 3: Human Reproduction
Chapter 4: Reproductive Health
Chapter 5: Principles of Inheritance and Variation
Chapter 6: Molecular Basis of Inheritance
Chapter 7: Evolution
Chapter 8: Human Health and Disease
Chapter 9: Strategies for Enhancement in Food Production
Chapter 10: Microbes in Human Welfare
Chapter 11: Biotechnology : Principles and Processes
Chapter 12: Biotechnology and its Applications
Chapter 13: Organisms and Populations
Chapter 14: Ecosystem
Chapter 15: Biodiversity and Conservation
Chapter 16: Environmental Issues
Solutions for Chapter 5: Principles of Inheritance and Variation
Below listed, you can find solutions for Chapter 5 of CBSE, Karnataka Board PUC NCERT for Class 12 Biology.
NCERT solutions for Class 12 Biology Chapter 5 Principles of Inheritance and Variation Exercises [Pages 93 - 94]
Mention the advantages of selecting pea plant for experiment by Mendel.
Differentiate between Dominance and Recessive
Differentiate between Homozygous and Heterozygous
Differentiate between Monohybrid and Dihybrid.
A diploid organism is heterozygous for 4 loci, how many types of gametes can be produced?
Explain the Law of Dominance using a monohybrid cross.
Define and design a test-cross.
Using a Punnett square, work out the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus.
When a cross in made between tall plants with yellow seeds (TtYy) and tall plant with green seed (TtYy), what proportions of phenotype in the offspring could be expected to be
(a) Tall and green.
(b) Dwarf and green.
Two heterozygous parents are crossed. If the two loci are linked what would be the distribution of phenotypic features in F1 generation for a dihybrid cross?
Briefly mention the contribution of T.H. Morgan in genetics.
What is pedigree analysis? Suggest how such an analysis, can be useful.
A child has blood group O. If the father has blood group A and mother blood group B, work out the genotypes of the parents and the possible genotypes of the other offsprings.
Explain the terms with example - Co-dominance
Explain the following terms with example
Incomplete dominance
What is point mutation? Give one example.
Who had proposed the chromosomal theory of inheritance?
Mention any two autosomal genetic disorders with their symptoms.
Solutions for Chapter 5: Principles of Inheritance and Variation
NCERT solutions for Class 12 Biology chapter 5 - Principles of Inheritance and Variation
Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics Class 12 Biology CBSE, Karnataka Board PUC solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Class 12 Biology CBSE, Karnataka Board PUC 5 (Principles of Inheritance and Variation) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Class 12 Biology chapter 5 Principles of Inheritance and Variation are Mendelian Inheritance - Mendel’s Laws of Heredity, Extensions of Mendelian Genetics (Deviation from Mendelism), Polygenic Inheritance, Chromosomal Theory of Inheritance, Genetic Disorders, Linkage and Crossing Over, Sex Determination in Birds, The Law of Dominance, The Law of Segregation (Law of Purity of Gametes), Intragenic Interactions - Incomplete Dominance, Intragenic Interactions - Codominance, Inheritance of Two Genes (Dihybrid Cross), Introduction of Principles of Inheritance and Variation, Principles of Inheritance and Variation Question, Inheritance of One Gene (Monohybrid Cross), Sex Determination in Honey Bees, Concept of Mutation, Pedigree Analysis, Mendelian Genetics, Mendelism, Terminology Related to Mendelism, Mendel’s experiments on pea plant, Monohybrid Cross, Punnett Square, Test Cross, The Law of Independent Assortment, Intragenic Interactions - Incomplete Dominance, Intragenic Interactions - Dominance, Intragenic Interactions - Codominance, Chromosomal Abnormalities, Heredity and Variation, Multiple Alleles, Intragenic Interactions - Pleiotropy, Historical Development of Chromosome Theory, Comparison Between Gene and Chromosome Behaviour, Chromosomal Theory of Inheritance: Law of Segregation, Chromosomal Theory of Inheritance: Law of Independent Assortment, Linkage and Recombination, Sex Determination, Sex Determination in Some Insects, Sex Determination in Human.
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