Which chromosome is abnormal or carries a genetic mutation? a. 13th pair b. 21st pair c. 23rd pair d. 18th pair

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

In what layer of the sun is energy transfers between atoms

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.