def getGenesFromStrainT(geneT, strainT, genesO):
    """Given a tuple of genes (one from each strain) identify and return the two which are from strain pair."""
    genesInStrainTL = []
    for geneNum in geneT:
        if genesO.numToStrainName(geneNum) in strainT:
            genesInStrainTL.append(geneNum)
    return genesInStrainTL
