If a single nondisjunction occurs during anaphase II of meiosis in a normal male cell from meiosis I,of the resulting sperm,
A) three would be normal and one would have an extra chromosome.
B) two would be normal, one would have an extra chromosome, and one would be missing a chromosome.
C) two would have an extra chromosome and two would be missing a chromosome.
D) all four sperm would have an extra chromosome.
E) three would have an extra chromosome and one would be normal.

Question

Quizplus · Accepted Answer

During anaphase II nondisjunction, one of the sister chromatids fails to separate, resulting in one gamete with an extra chromosome, one gamete missing a chromosome, and two normal gametes.

If a Single Nondisjunction Occurs During Anaphase II of Meiosis