lilbabyj2120 lilbabyj2120 07-01-2021 Biology contestada NEED HELP ASAP A gene is a segment of DNA that codes for a single protein. Question 1 options: True False Question 2 (1 point) Cell differentiation (example a muscle cell is different than a nerve cell) occurs because: Question 2 options: genes are turned on or off based on the cells needs all of the cells contain different genes extra genes are added if the cell needs them genes are destroyed MY ANSWERS ARE A AND D