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Explore how non-random mating patterns and inbreeding affect population genetics in this 38-minute lecture from NPTEL-NOC IITM. Learn about the mechanisms by which non-random mating deviates from Hardy-Weinberg equilibrium assumptions and discover how these mating patterns alter genotype frequencies within populations. Examine the relationship between inbreeding and fitness consequences, understanding how reduced genetic diversity can impact organism survival and reproduction. Analyze various forms of non-random mating including assortative mating, disassortative mating, and inbreeding depression. Gain insights into the mathematical models used to predict changes in allele and genotype frequencies under different mating scenarios. Study real-world examples of how non-random mating occurs in natural populations and its evolutionary implications. Understand the concept of inbreeding coefficient and its role in quantifying the degree of inbreeding within populations. Investigate how population structure, geographic isolation, and behavioral preferences contribute to non-random mating patterns in various species.
