Interesting in relation to copy number. (Also, other papers by Hurst.)
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=12853957&query_hl=4&itool=pubmed_docsum
Nature. 2003 Jul 10;424(6945):194-7.Click here to read Links
Dosage sensitivity and the evolution of gene families in yeast.
Papp B,Pal C, Hurst LD.
