Source(s): immigration nationality directorate border immigration uk border agency reference no: https://tinyurl.im/UEZro.
About 99% of mouse genes have a homolog in the human genome, and for 80% of these genes, the best match in the human genome has, in turn, its best match against the orthologous mouse gene in the conserved syntenic interval.
The chimpanzee has a 96% DNA similarity to human DNA, but the cockroach has a 98% DNA similarity to human DNA. Hence, Evolution is a farce. by closest you mean we shared a common ancestor most recently.. and chimps is the answer you are looking for. chimps are. we share about 98% of the same dna.