PDR-233738 Sign Language studies has found that an ape has

PDR-233738 Sign Language studies has found that an ape has had an offspring and taught it sighn language without the trainer teaching them. i would like to go in more detail to see how this was possible and try to see if more of this can come along as time goes on. also focus on analysis of sign language (what it allows primates to do, how does it influence their lifestyles, etc 4-5 academic sources 4 pages, 4 MLA references