Which of the following identifies this phenomenon and explains how it is formed

A phenomenon, in a scientific context, is something that is observed to occur or to exist.

Explanation:

Examples of natural phenomena include gravity, tides, biological processes and oscillation.

Social phenomena are those that occur or exist through the actions of groups of humans. there is also difference between it and the natural phenomenon.

natural phenomenon - all phenomena that are not artificial. phenomenon - any state or process known through the senses rather than by intuition or reasoning.

answer; i believe that the correct answer is(d) nondisjunction during meiosis;