The esophagus: A. secretes digestive enzymes from its mucosa B. is located anterior to the trachea C. is lined with pseudostratified ciliated columnar epithelium D. contains both smooth and skeletal muscle fibers

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4