When we compare human DNA with the DNA of chimps and bonobos, we see 98-99% similarity. When we compare with other apes, such as gorillas, slightly less, and slightly less still for orangutans and other monkeys (if my memory is correct). The similarities decrease when we look at other mammals to around 80-something percent for dogs and maybe around 70-ish for mice (these are rough figures from my memory, but the general idea is correct). As we move toward other taxonomic groups of animals other than other mammals, we see increasingly less similarity. In other words, DNA analysis is confirming previous assumptions about genetic relationships based upon morphology (appearance). How can you reconcile this data with intelligent design? Genetic similarities clearly indicate common ancestry, with closer genetic relationships (higher percentage of DNA in common) indicating more recent common ancestry, and lower percentages of DNA in common indicating more distant common ancestry. All of this makes perfect sense under evolutionary theory, but no sense at all if species were intelligently designed.