=IF(AND(A2=1,B2=2),1,IF(AND(A2=1,B2=1),2,IF(AND(A2=2,B2=1),3,IF(AND(A2=2,B2=2),4,0))))
=IF(AND(A2=1,B2=2),1,IF(AND(A2=1,B2=1),2,IF(AND(A2=2,B2=1),3,IF(AND(A2=2,B2=2),4,0))))
How to use NCBI’s BioPathways to find novel genes
Norwegian Team Completes Cod Genome Using 454 Sequencing System
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