Answer:
It would be deletion
Explanation:
a base was taken away (deleted) from the sequence; it is also called a frameshift mutation.
insertion, another frameshift mutation, would be a base added and substitution, a point mutation, would be one base replaced with another.
In a scientific sense, a chemical process is a method or means of somehow changing one or more chemicals or chemical compounds. Such a chemical process can occur by itself or be caused by an outside force, and involves a chemical reaction of some sort.
Mitosis has five different stages: interphase, prophase, metaphase, anaphase and telophase. The process of cell division is only complete after cytokinesis, which takes place during anaphase and telophase. Each stage of mitosis is necessary for cell replication and division.
The chromosomes become more compact and tightly coiled. They are ready to separate. :)
Hope this helps!