Answer:
Specialization and the breakdown of the ends of chromatids.
Explanation:
Cells are specialized when a developing embryo is growing various tissues and organs. Each different cell has varying functions in order to perform all necessary tasks. During mitosis, the ends of chromatids start to wear down contributing to aging.
Answer:
Bacillus Calmette–Guerin vaccine is a vaccine primarily used against tuberculosis. It is named after its inventors Albert Calmette and Camille Guerin. In countries where TB or leprosy is common, one dose is recommended in healthy babies as soon after birth as possible.
Inactivated polio vaccine (IPV) is the only polio vaccine that has been given in the United States since 2000. IPV is given by shot in the leg or arm, depending on the patient's age. Oral polio vaccine (OPV) is used in other countries. CDC recommends that children get four doses of polio vaccine.
Explanation: