For questions $10-13$ , match the statements that follow to the items in the key. Answers may be used more than once, and more than one answer may be used.
Key:
a. mitosis
b. meiosis
c. meiosis II
d. Both meiosis I and meiosis Il are correct.
e. All of these are correct.
Nondisjunction may occur, causing abnormal gametes to form.