This is happen during anaphase when two chromatids separate and move towards opposite poles,
All of the above- 1, 2, and 3 These introduce variation into the chromosome or into the zygote and create cells and offspring unique from the parents.
Nondisjunction - in nondisjunction, the chromosomes fail to separate at a proper state due to meiosis.
Answer:
Your answer would be protozoan!
Hope this helps!