B. Hutington's disease is an example C. They must involve more than one gene D Hypertension is an example E. Are mendelian inheritance 4. In Turners syndrome A. The cause is a mutation affection the long arm ofX chromosome B. It is commonly associated with congenital heart diease C. The cause is monosomy D. Sexually underdeveloped E. Is a fatal disease 5. Which are not polygene disorders A Schizophrenia B Cri du chat syndrome C Klinefelter Syndrome D. Platelip E Spinal bifid 6. Characteristics of genetic disorders A Congenital B Mutifactorial C. Popular D. Familial E. Infectious 7. Environmental causes for birth defect including A antibiotic B. Alcohol use in pregnancy C. Lacking of folic acid D. Toxoplasma E. Vitamin C 8. Characteristics ofmitochondrial diseases A. Threshold effect B. X-linked C. Inherited from the father D Mitotic segregation E. Affected heart, brain and muscleB. Hutington’s disease is an example C. They must involve more than one gene. D. Hypertension is an example E. Are Mendelian inheritance 4. In Turner’s syndrome: A. The cause is a mutation affection the long arm of X chromosome B. It is commonly associated with congenital heart diease C. The cause is monosomy D. Sexually underdeveloped E. Is a fatal disease 5. Which are not polygene disorders: A. Schizophrenia B. Cri du Chat syndrome C. Klinefelter Syndrome D. Plate lip E. Spinal bifid 6. Characteristics of genetic disorders A. Congenital B. Mutifactorial C. Popular D. Familial E. Infectious 7. Environmental causes for birth defect including: A. antibiotic B．Alcohol use in pregnancy C．Lacking of folic acid D. Toxoplasma E. Vitamin C 8. Characteristics of mitochondrial diseases: A. Threshold effect B. X-linked C. Inherited from the father D. Mitotic segregation E. Affected heart, brain and muscle