<i id='0CE419AAE9'><strike id='0CE419AAE9'><tt id='0CE419AAE9'><dfn date-time="d27ddc"></dfn><font dir="899344"></font><ins lang="f9cda0"></ins><pre date-time="040718" id='0CE419AAE9'></pre></tt></strike></i> 
A standard human genome has nearly three billion DNA letters in it. Photo: supplied
like: 9629dislike: 38614
Comment区