These lecture notes on “Hardy Weinberg Equilibrium” were prepared and delivered to my undergraduate students studying Animal Genetics & Breeding course. This course is offered in the second professional year of Bachelor of Veterinary Science & Animal Husbandry degree at College of Veterinary & Animal Sciences, S.V.P.U.A.T, Meerut, Uttar Pradesh, India. This lecture paves the foundation of population genetics. It illuminates students about the intricacies, concept and application of Hardy Weinberg law in population genetics.Simple derivation on a single locus with two alleles of this law has been further generalized for multiple locus and ploidy levels. Application of Hardy Weinberg law in understanding population structure under different modes of inheritance, selection experiments, understanding influence of evolutionary forces, genetic counselling and detection of genotypic errors have been touched upon. Thereafter special situation of sex linkage and it’s generalization using Jacobsthal series has been introduced. Ternary plots and testing for Hardy Weinberg equilibrium have also been included. All these intricacies make this lecture notes pivotal in understanding population genetics further. Use of explanatory illustrations, examples and figures had deliberately been used to create an interest among the students. I had tried my level best to simplify the concept in easy to understand language. Further constructive suggestions to improve this lecture notes are always welcome from readers on my email and whatsapp.
Hardy Weinberg Law
 
Population Genetics
 

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