Answer:
Non disjuntion occurs during prophase 2 in meiosis 2. one pair of sister chromatids don not separate from each other. As a result three cell have normal haploid chromosomes but one cell have extra chromosome while other have one less chromosome. It lead to the phenomenon of non dis junction.
Non disjuntion occurs during prophase 2 in meiosis 2. one pair of sister chromatids don not separate from each other. As a result three cell have normal haploid chromosomes but one cell have extra chromosome while other have one less chromosome. It lead to the phenomenon of non dis junction.