When recombinant dna is inserted into the genome of a host organism, what's created?

Ineed to know why d is the correct answer asap

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes