If one bacterial cell in a population has an allele that makes it resistant to ampicillin, does it have a higher level of fitness, or lower level of fitness, than the rest of the bacteria? Why?

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

the animal that would be cutest if scaled down to the size of a cat? elephant

synapse nervous system