10 Ways Science is Using Human-Animal Hybrids
Chimeras, Cybrids, Hybrids and more
https://cdn-assets.answersingenesis.org/doc/articles/pdf-versions/chimeras_cybrids_hybrids.pdf
Genetically-modified humans are already walking among us
http://www.naturalnews.com/040348_GM_babies_FDA_human_genome.html
Prepare for future of troops with 'mutant powers' Pentagon urged
http://www.digitaljournal.com/article/340361#ixzz3zhCkBnqI
Super Soldiers: What is Military Human Enhancement?
http://www.academia.edu/7366477/Super_Soldiers_What_is_Military_Human_Enhancement_Part_1_
Eugenic Experimentation on American People
https://www.indybay.org/newsitems/2006/12/21/18339266.php
The Horrifying American Roots of Nazi Eugenics
http://historynewsnetwork.org/article/1796
The mixing had been done many centuries before, the answers are in fossils and other artifacts hidden underground. Research new human fossil discoveries.