Genetics Genetics is the study of inheritance and variation. Term genetics was first used by W. Bateson 1905. Gregor Johann Mendel is called the father of genetics. Heredity or inheritance Heredity or inheritance is the process by which characters are passed on from parent toprogeny Variation Variation is the characteristic difference by which progeny differs from their parents. Cause of variation is sexual reproduction. Phenotype External appearance or trait of an individual. Genotype Genetic constitution of an organism Genes or mendelian factor Units of inheritance. They contain the information required to express a particular trait Alleles or allelomorphs The two Mendelian factors or gene which occur on the same locus…