MEGA 的全称是Molecular Evolutionary Genetics Analysis 分子进化遗传分析。MEGA is an integrated tool for automatic and manual sequence alignment, inferring phylogenetic trees, mining web-based databases, estimating rates of molecular evolution, and testing evolutionary hypotheses. MEGA 可用于序列比对、进化树的推断、估计分子进化速度、验证进化假说等。MEGA 还可以通过网络（NCBI）进行序列的比对和数据的搜索。
最新版本：MEGA 4.1 Beta
下载： http://www.megasoftware.net/mega41.html
MEGA 4: Molecular Evolutionary Genetics Analysis
MEGA is an integrated tool for conducting automatic and manual sequence alignment,
inferring phylogenetic trees, mining web-based databases, estimating rates
of molecular evolution, and testing evolutionary hypotheses.
MEGA 4 has been tested on the following Microsoft Windows® operating systems:
Windows 95/98, NT, 2000, XP, and Vista.
官方网站：www.megasoftware.net/
