> By targeting the USAG-1 gene(...) 兎 (usagi) in japanese means "rabbit", the most buck-toothy of animals. Going by the fact that they're japanese researchers,

> By targeting the USAG-1 gene(...) 兎 (usagi) in japanese means "rabbit", the most buck-toothy of animals. Going by the fact that they're japanese researchers, this must be a pun.