下载地址:https://codeload.github.com/lastz/lastz/tar.gz/1.04.03
wget http://hgdownload.soe.ucsc.edu/goldenPath/hg38/chromosomes/chr4.fa.gz -O hg38. chr4.fa.gz wget http://hgdownload.soe.ucsc.edu/goldenPath/galGal3/chromosomes/chr4.fa.gz -O galGal3. chr4.fa.gz