Question

84. Each version of a gene is called a(n) a. allele. b. chromosome. c. histone. d. centromere. e. artifact. Matching: Choose the one most appropriate condtion from a - e for each of the descriptions below for numbers 85-89. Each answer is only used once a. Down's syndrome b. Huntington's disease or Huntington's chorea c. hemophilia d. Turner syndrome e. sickle cell anemia 85. Dominant deadly disease that occurs after the age of 30, affects nerves and movement 86. nondisjunction of the twenty-first chromosomal pair, (trisomy 21) 87. X-linked recessive inheritance, more common in males, causes abnormal bleeding and bruising 88. nondisjunction of the sex chromosomes, 45 chromosomes only -female 89. makes abnormally shaped red blood cells _-carry messages on to other neu The receive messages from other neurons, while the 90. or to muscle or gland cells. a. cell bodies; dendrites b. dendrites; axons c. axons; dendrites d. myelin sheaths, cell bodies

Answer 1

84. a. allele

85. b. Huntington's disease or Huntington's chorea

86. a.Down's syndrome

87. c. hemophilia

88. d. Turner syndrome

89. e. sickle cell anemia

90. b. dendrites, axons