The design of a person's epidermal ridges is determined by the manner in which the papillae rest upon the dermal ridges to produce the specific pattern known as handprints, footprints, and fingerprints. Which of the following statements is true regarding these prints or ridges?
A) Every human being has the same pattern of ridges.
B) They are genetically determined, therefore unique to each person.
C) Because we are constantly shedding epithelial cells, these ridges are changing daily.
D) Identical twins do not have the same pattern of ridges.
Answer: B) They are genetically determined, therefore unique to each person.