A piece of DNA from the parent to the offspring.
For example when you were born you're mum transferred some of her traits (hair color, personality ect.) on to you. Same with your dad. So you might look like your dad but have the same personality as your mum.
Mark me as a brainlest plz! hope this helps :)
Answer: It is important that cells have a "control system" because without it cells would either divide too fast or cause tumors to grow (cancer), or divide too slow and not be able to perform their cellular functions which is why the cells are controlled.
