a tay-sachs disease carrier have one dominant and one recessive tay-sachs gene
tay_sachs_disease is monogenic_disorder. tay_sachs_disease is disease. huntington's_chorea is not autosomal_dominant_disease. tay_sachs_disease is not autosomal_recessive_disease. dominant_gene is not gene. huntington's_chorea is autosomal_dominant_disease. tay_sachs_disease is not monogenic_disorder. dominant_gene is gene. tay_sachs_disease is not disease. tay_sachs_disease is autosomal_recessive_disease.