Class 10th Biology Heredity And Evolution is refers to the passing of Characteristics from one generation to the next generation and defined as the gradual process by which a simple life from leads. Variation - The difference is DNA sequences between individuals within a population. Hereditary and variation are two effects of sexual reproduction of organisms. This law states that when two traits come together is one hybrid pair, the two characters do not mix with each other and are independent of each other.All Topics are clear in these lectures by our experts teachers like Biology Heredity And Evolution, Variation , Low of Dominance, Sex Determination, Expression Of Genes, Descents with Modification, Fossils, Evolution By Stages. Free online lectures of class 10 Biology Heredity And Evolution, Free online video lectures ,class 10 , Class 10 Biology, Free Education, Free online Education