Question

What are main categories of mutations that occur in humans?

Answer 1

There are three types of DNA Mutations: base substitutions, deletions and insertions. Single base substitutions are called point mutations, recall the point mutation Glu -----> Val which causes sickle-cell disease. Point mutations are the most common type of mutation and there are two types.

Step-by-step explanation:

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Answer 2

Mutations can be categorized as beneficial(helpful), detrimental(harmful), or neutral.