WOW, PETA people really are crazy!

[All-In Flynn]

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This distinction is already being blurred by the creation of human-animal hybrids (more) (more).

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I think there's a need to distinguish this from truly human chimerae, who have cells arising from more than one (human) zygote. In principle they're quite similar, but the bio-ethical controversy surrounding the one cries out for a proper term to distinguish the other.