The nucleus tells the cell what to do, and also contains chromosomes, which has the cell's genetic material.
Answer:
Aspiring clinical geneticists must complete a bachelor's degree program, and earn a Doctor of Medicine or Doctor of Osteopathic Medicine at a medical school. After earning a doctoral degree, geneticists participate in a medical residency in genetics to gain specialized training.
The answer is single opening. The gastrovascular cavity varies from the alimentary canal in that only the gastrovascular cavity has only a single opening. In addition, an alimentary canal has two openings and food moves over it unidirectional. The gastrovascular cavity is a construction establish in primitive animal phyla. It is accountable in cooperation with the digestion of food and the transportation of nutrients all over the body.