Respuesta :
The postzygotic barriers that prevent formation of hybrids beyond the first generations is hybrid breakdown.
What is postzygotic barriers?
After fertilization and zygote formation, a postzygotic barrier prevents further reproduction. Hybrid inviability is the condition in which a hybrid produced by mating two people does not develop past the embryonic stage.
Low hybrid viability is one instance of a postzygotic barrier. Due to their poor fitness, hybrid offspring produced in this environment are less likely to mature sexually. Another illustration is hybrid sterility, where healthy hybrid offspring are incapable of reproducing.
Low hybrid viability is one instance of a postzygotic barrier. Due to their poor fitness, hybrid offspring produced in this environment are less likely to mature sexually. Another illustration is hybrid sterility, where healthy hybrid offspring are incapable of reproducing.
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