In meiotic nondisjunction, meiotic products can be n+1, n-1, or n depending on when nondisjunction occurs. If non disjunction occurs in Meiosis I, what is the outcome?
A) two trisomic and two monosomic products
B) one trisomic and three monosomic products
C) one trisomic, one monosomic, and two normal products
D) None of these answers are correct

Question

Quizplus · Accepted Answer

When nondisjunction occurs in Meiosis I, it results in two trisomic (n+1) and two monosomic (n-1) products because the homologous chromosomes fail to separate, leading to one daughter cell with an extra chromosome and one with a missing chromosome for each pair involved.

In Meiotic Nondisjunction, Meiotic Products Can Be N+1, N-1, or N