Nondisjunction is the failure of sister chromatids or homologous chromosomes to separate during cell division. Which of the following statements is true about nondisjunction during meiosis? (Choice A) Nondisjunction affects sex chromosomes, but it does not affect autosomal chromosome number. (Choice B) B Nondisjunction resulting in monosomies rarely have a lethal effect on human development. (Choice C) C Nondisjunction can result in aneuploid cells. (Choice D) D Nondisjunction occurs only during meiosis II.