Principles of Inheritance and Variation Notes Class 12 Biology
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About this Revision Notes
Topics in this chapter include:
- Chromosomal Basis: Theory of inheritance, gene linkage maps, and Morgan's recombination frequencies
- Chromosomal Disorders: Genomic non-disjunction tracing (Down's, Klinefelter's, and Turner's syndromes)
- Deviations from Mendelism: Cross profiling of Incomplete dominance and Co-dominance (ABO blood groups)
- Deviations from Mendelism: Pleiotropy tracking and Polygenic trait inheritance frameworks
- Mendelian Disorders: Pathology mapping (Haemophilia, Sickle-cell, Phenylketonuria, Thalassemia)
- Mendelian Inheritance: Monohybrid/Dihybrid setup and fundamental verification laws
- Mutation Tracing: Pedigree Analysis chart symbology and genetic history tracking
- Sex Determination: Chromosomal setups across humans (XY), birds (ZW), and honeybees (Haplo-diploidy)
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