http://www.biomedcentral.com/1471-2164/11/438
http://www.askmehelpdesk.com/biology/human-vs-pig-chimpanzee-dna-328332.html
明确的回答是
The Human vs Pig albumen genes are 83% identical (Identities = 1739/2091, Gaps = 80/2091 (3%)). (人和猪83%相似)
The Human vs Chimp albumen genes are 99% identical (Identities = 2119/2136, Gaps = 0/2136 (0%)). (任何大猩猩,99%)
The Chimp vs Pig albumen genes are 82% identical (Identities = 1668/2017, Gaps = 84/2017 (4%)). (大猩猩和猪82%)