Is the question of whether homosexuality is "a choice" at all morally relevant?

Is the question of whether homosexuality is "a choice" at all morally relevant?

Is the question of whether homosexuality is "a choice" at all morally relevant? Does it bear, e.g., on whether homosexual lifestyles are morally permissible, or whether gay marriage should be allowed? Many people seem to think so, including many of those who support gays and lesbians.

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