I can see how it is and isn't. A homosexual is capable of producing offspring, but is not naturally ';inclined'; to, if you understand what I mean.Is homosexuality a form of postzygotic isolation?
No, it is not, because the individual is capable of producing the offspring there is nothing but sexual prefrence preventing the creation of offspring.
Considering some homosexual people do end up having children the arguements for this being considered a form of post zygotic isolation seem kind of weak and situational.
If it was in fact reproductive isolation then anyone who choose not to have children would somehow also fit into he category.Is homosexuality a form of postzygotic isolation?
HUH?
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