I plan to make blast db and find sequences with two genes. So the sequences must have both two genes.(AND AND) Not only the first or only the second.(OR) There is a flag -query in local blast where I'll put genes in fasta format like this:
1 ATGGGGCC.. 2 ATGTTGC..
When I tried to do this I had sequences with the only first gene, the only second gene and the first and the second. How could I filter the variants with both two genes?
A lot of thanks, Valery