What is the difference between plant and animal cells

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

All ova contain sex chromosomes corresponding to: x y xx xy

Matched chromosomes carrying information about the same characteristics in the organism are called