A genetic engineer wants to join the following DNA fragments. Which tool should the engineer use?
O reverse transcriptase
O DNA ligase
O gel electrophoresis
O restriction endonuclease

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

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.

How do living things obtain phosphorus