accession genome gff3 pep cds ploidy testA fixture.genome.fa fixture.gff3 fixture.pep.fa fixture.cds.fa 2 testB fixture.genome.fa fixture.gff3 fixture.pep.fa fixture.cds.fa 2 testC fixture.genome.fa fixture.gff3 fixture.pep.fa fixture.cds.fa 2 testD fixture.genome.fa fixture.gff3 fixture.pep.fa fixture.cds.fa 2