Lecture 6- Inbreeding And Heterosis.ppt Jun 2026

Genetic Consequences of Mating Between Relatives & The Power of Hybrid Vigor

In the field of genetics and animal breeding, inbreeding and heterosis are two fundamental concepts that play a crucial role in shaping the genetic makeup of populations. Inbreeding is the breeding of individuals that are closely related, while heterosis refers to the phenomenon of hybrid vigor, where the offspring of two different breeds or lines exhibit superior traits compared to their parents. In this lecture, we will delve into the concepts of inbreeding and heterosis, their effects on populations, and the implications for breeding programs. Lecture 6- Inbreeding and Heterosis.ppt

Many deleterious recessive alleles are hidden in heterozygotes — inbreeding brings them together. Genetic Consequences of Mating Between Relatives & The

[ F_X = \sum (1/2)^n_1 + n_2 + 1 (1 + F_A) ] their effects on populations