Answer:
Anaphase
Explanation:
each chromosome is composed of two chromatids
Answer:
Acquired mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division.
Explanation:
Answer: Effector cytotoxic T cells
Explanation:
Cells infected with a virus or another internal cellular infection are immediately killed by effector cytotoxic T cells.