reproductive barriers

What Type Of Barrier Occurs Before Fertilization?

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What Type Of Barrier Occurs Before Fertilization? There are two main categories of reproductive isolation barriers: Prezygotic isolation – occurs before fertilisation can occur (no offspring are produced) Postzygotic isolation – occurs after fertilisation (offspring are either not viable or infertile) Do Prezygotic barriers prevent fertilization? Therefore, a prezygotic barrier is a mechanism that blocks

Which Is A Postzygotic Reproductive Barrier?

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Which Is A Postzygotic Reproductive Barrier? Postzygotic barriers include the creation of hybrid individuals that do not survive past the embryonic stages ( hybrid inviability ) or the creation of a hybrid that is sterile and unable to produce offspring ( hybrid sterility ). What is an example of Postzygotic reproductive barrier? Postzygotic barriers: Postzygotic