Two species of frogs belonging to the same genus occasionally mate, but the offspring fail to develop and hatch. What is the mechanism for keeping the two frog species separate?

Question

Two species of frogs belonging to the same genus occasionally mate, but the offspring fail to develop and hatch. What is the mechanism for keeping the two frog species separate?

Answer

increased hybrid viability

Answer

gametic isolation

Answer

the postzygotic barrier called reduced hybrid viability

Answer

the postzygotic barrier called hybrid breakdown

Answer

the prezygotic barrier called hybrid sterility

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Two species of frogs belonging to the same genus occasionally mate, but the offs...

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