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Principles Of Inheritance And Variation Class 12 - NCERT Biology Note

Principles Of Inheritance And Variation Class 12 - NCERT Biology Note  What is Heredity? Heredity  is the process by which inherited characteristics are passed on from parents to their children. Genetics is a branch of biology dealing with principles and processes of inheritance and variation. Inheritance is the foundation of heredity, and it is by this mechanism that traits are passed on from parents to offspring.   Heredity is a form of transmission, through asexual reproduction  or sexual reproduction, of traits from parents to their offspring. These features or characteristics are found in the form of genes on the chromosomes.   Genes, which are located on chromosomes, are the fundamental unit of inheritance, and the difference between individuals of the same species is unavoidable. The expression of genes on chromosomes varies due to chromosome crossing, recombination, mutation, and environmental factors. What is Inheritance? What is a variance? The system of transferring characte