Which of the following is an autosomal recessive disorder?
A) hemophilia
B) sickle-cell anemia
C) Down syndrome
D) Huntington disease
E) Turner syndrome
Answer: B
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What are the receptors of sharks that can detect disturbances in electrical fields called?
A. Organs of Corti B. pacinian corpuscles C. lateral line canals D. nodes of Ranvier E. ampullae of Lorenzini
What type of tissue is blood?
a. epithelial b. muscular c. connective d. adipose e. noncellular fluid
Discuss factors that must be taken into account when setting standards for safe levels of exposure to potentially
harmful chemicals in the environment. Explain why setting these standards is such a complex task. What will be an ideal response?
Which hormone is responsible for the development of female secondary sex characteristics?
A. Testosterone B. Estrogen only C. Progesterone only D. Estrogen and progesterone E. Human chorionic gonadotropin