Generally, it is not possible to determine whether nondisjunction failed to occur in oogenesis or spermatogenesis. However, it is possible to assert that XYY results from nondisjunction during
A) oogenesis.
B) spermatogenesis.
C) mitosis.
D) cytokinesis.

Question

Quizplus · Accepted Answer

XYY syndrome is the result of nondisjunction during spermatogenesis, specifically when an extra copy of the Y chromosome fails to separate from the other copy during cell division in the father's testes.

Generally, It Is Not Possible to Determine Whether Nondisjunction Failed