What Are Pre And Postzygotic Barriers?
What Are Pre And Postzygotic Barriers? prezygotic barrier: a mechanism that blocks reproduction from taking place by preventing fertilization. postzygotic barrier: a mechanism that blocks reproduction after fertilization and zygote formation. What are examples of postzygotic barriers? Postzygotic mechanisms include hybrid inviability, hybrid sterility and hybrid “breakdown.” What are the 3 types of postzygotic barriers?