Humans Have 23 Pairs of Chromosomes

Multiple Choice

Humans have 23 pairs of chromosomes. Rarely, an egg is produced with 46 chromosomes instead of 23. How might such an egg have originated?

A) When the first polar body divides in meiosis II, all the chromatids go to one daughter cell.
B) When the secondary oocyte divides in meiosis II, all the chromatids go to one daughter cell.
C) When the second polar body divides in meiosis II, all the chromatids go to one daughter cell.
D) When the primary oocyte divides in meiosis I, all the chromosomes go to the first polar body.
E) When the secondary oocyte divides in meiosis I, all the chromatids go to the second polar body.