This is a really interesting story about a chimp that had very human characteristics. Now, scientists determined that he was a pure chimp after doing some genetic testing but they noted some genetic anomalies. There are those, who seem highly credible who insist that a half human half chimp was born at Yerkes lab many decades ago. It was euthanized. Boy, does that bring up ethical issues around sanctity of life, what constitutes humanness.
https://www.youtube.com/watch?v=jBPtxcyMvuA
