Quote:
Originally Posted by sigmadiva
Second Comment: Another reason other than religion is a biological one. Species live to propagate their genomes. In order for us humans to do that we have to find the opposite gender who we feel will can produce more fit offspring - i.e., have stronger genetic traits than the parents, or hybrid vigor. Of course this can only happen with a male and a female.
For homosexuals, there is no possibility for them to "add" their genes to the gene pool. Two males and / or two females can not produce offspring that contains both of their genes. While one person can make a contribution, the other can not. Therefore, it is biologically impossible to produce the most fit offspring from a homosexual coupling. In essence the species would become genetically weaker and eventually die out, or become extinct.
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Marriage does not require even straight couples to reproduce. Many don't. My brother and his wife are unable to have children. By your logic they should not been allowed to marry?
Of course not. It's interesting that you make this "requirement" is made *only* for gay couples.