def addGenotype(
            self, genotype_id, genotype_label,
            genotype_type=None,
            genotype_description=None
    ):
        """
        If a genotype_type is not supplied,
        we will default to 'intrinsic_genotype'
        :param genotype_id:
        :param genotype_label:
        :param genotype_type:
        :param genotype_description:
        :return:

        """
        if genotype_type is None:
            genotype_type = self.globaltt['intrinsic_genotype']

        self.model.addIndividualToGraph(
            genotype_id, genotype_label, genotype_type, genotype_description)
        return
If a genotype_type is not supplied,
        we will default to 'intrinsic_genotype'
        :param genotype_id:
        :param genotype_label:
        :param genotype_type:
        :param genotype_description:
        :return: