Surprisingly like humans

The African clawed frog X. tropicalis (left), whose genome was recently sequenced, along with its larger cousin X. laevis (right).

African clawed frogs have more in common with humans than you might think, according to their newly sequenced genome, which shows a surprising number of commonalities with the human genome.
The frog in question is a slimy, rotund type scientifically named Xenopus tropicalis. This is the first time an amphibian genome has been sequenced, and scientists say it represents a big hop forward in understanding not just frogs but Earth's whole tree of life.
"A lot of furry animals have been sequenced, but far fewer other vertebrates," said study co-leader Richard Harland, a biologist at the University of California, Berkeley. "Having a complete catalog of the genes in Xenopus, along with those of humans, rats, mice and chickens, will help us reassemble the full complement of ancestral vertebrate genes."
Currently, more than 175 organisms have had their genetic information nearly completely sequenced. That's just a drop in the bucket of the world's plethora of life.
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Source: LiveScience