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gwfs521: ½ð±Ò+1, ¡ïÓаïÖú, лл 2013-02-06 22:07:59
1. it seems that .seq and .ab1 are the file formats specific to your sequencing instrument. The general practice is to have fasta format which is
>header1
sequence1
>header2
sequence2
fasta format is widely accepted format.
2. removal of the gaps
It is really a personal call, depending on the fact how the gap exists. In your case, the beginning and trailing gaps are more likely caused by the sequencing, which has no evolutionary importance. Then it is suggested to remove them. Sometimes if it contains the primer sequence, better to remove them as well. Like the gap at around position 30 (base A against -) could be caused by the evolution, you really should keep it.
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