A) Addition of extra chromosome during mitosis of the zygote
B) Non-disjunction during egg-cell formation
C) Non-disjunction during sperm-cell formation
D) Non-disjunction during formation of egg cells and sperm-cells
Correct Answer: A
Solution :
Addition of extra chromosome during mitosis of the zygoteYou need to login to perform this action.
You will be redirected in
3 sec