Based on the given question and answer choices, the correct answers are:
1.17: C (Choose the letter next to the question number on your answer sheet.)
1.18: D (The correct sequence of the diagrams above is 3, 1, 5, 2, 4.)
In response to the question "In which ONE of the phases above does random arrangement of chromosomes at the equator take place?", the answer is:
3 (Phase 3)