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CBSE - Class 12 - Biology - Principles of Inheritance and Variation

Heredity and variation: Mendelian inheritance; deviations from Mendelism - incomplete dominance, co-dominance, multiple alleles and inheritance of blood groups, pleiotropy; elementary idea of polygenic inheritance; chromosome theory of inheritance; chromosomes and genes; Sex determination - in humans, birds and honey bee; linkage and crossing over; sex linked inheritance - haemophilia, colour blindness; Mendelian disorders in humans - thalassemia; chromosomal disorders in humans; Down's syndrome, Turner's and Klinefelter's syndromes.

Online test for class 12 students. Heredity and variation: Mendelian inheritance; deviations from Mendelism - incomplete dominance, co-dominance, multiple alleles and inheritance of blood groups, pleiotropy; elementary idea of polygenic inheritance; chromosome theory of inheritance; chromosomes and genes; Sex determination - in humans, birds and honey bee; linkage and crossing over; sex linked inheritance - haemophilia, colour blindness; Mendelian disorders in humans - thalassemia; chromosomal disorders in humans; Down's syndrome, Turner's and Klinefelter's syndromes.

Questions based on the chapter-05 Principles of Inheritance and Variation and concept Heridity and variation as per CBSE class-12 Biology syllabus.

Questions based on the chapter-05 Principles of Inheritance and Variation and concept Deviation from Mendelism as per CBSE class-12 Biology syllabus.

Questions based on the chapter-05 Principles of Inheritance and Variation and concept Polygenic and chromosomal theroy of inheritance as per CBSE class-12 Biology syllabus.

Questions based on the chapter-05 Principles of Inheritance and Variation and concept Chromosome and gene as per CBSE class-12 Biology syllabus.

Questions based on the chapter-05 Principles of Inheritance and Variation and concept Sex determination, linkage and crossing over as per CBSE class-12 Biology syllabus.

Questions based on the chapter-05 Principles of Inheritance and Variation and concept Sex linked inheritance and Mendelian diorder as per CBSE class-12 Biology syllabus.

Questions based on the chapter-05 Principles of Inheritance and Variation and concept Miscellaneous Questions as per CBSE class-12 Biology syllabus.



Online test for class 12 students. Heredity and variation: Mendelian inheritance; deviations from Mendelism - incomplete dominance, co-dominance, multiple alleles and inheritance of blood groups, pleiotropy; elementary idea of polygenic inheritance; chromosome theory of inheritance; chromosomes and genes; Sex determination - in humans, birds and honey bee; linkage and crossing over; sex linked inheritance - haemophilia, colour blindness; Mendelian disorders in humans - thalassemia; chromosomal disorders in humans; Down's syndrome, Turner's and Klinefelter's syndromes.

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