Some traits such as earlobe attachment, blood type, and the presence or absence of dimples, have limited variation throughout human population because they are controlled by a single cell other traits such as skin color and han height are widely variable throughout the human population because

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?