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What is the difference between prezygotic and postzygotic reproductive isolating mechanisms?
Prezygotic isolation always prevents copulation.
Prezygotic isolation occurs before speciation takes place; postzygotic isolation occurs within a pair of newly defined species. NOT THE ANSWER
Prezygotic isolation prevents fusion of gametes; postzygotic isolation occurs after fertilization.
Postzygotic isolation prevents the formation of hybrids.
Postzygotic isolation usually evolves after previously isolated populations have come back into contact.
What is the difference between prezygotic and postzygotic reproductive isolating mechanisms?
Prezygotic isolation always prevents copulation.
Prezygotic isolation occurs before speciation takes place; postzygotic isolation occurs within a pair of newly defined species. NOT THE ANSWER
Prezygotic isolation prevents fusion of gametes; postzygotic isolation occurs after fertilization.
Postzygotic isolation prevents the formation of hybrids.
Postzygotic isolation usually evolves after previously isolated populations have come back into contact.
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Sixta KovacekLv2
28 Sep 2019
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