Dr. Warren uses a map of a region. The map is drawn to scale. Why might this type of model be useful? A. for showing ocean currents
B. for analyzing three dimensions
C. for understanding relative distances
D. for understanding relative temperatures

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

According to the cladogram, which organisms have roundworms as a common ancestor?

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