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Answer:
Deletion mutation, D on edge 2020
Explanation:
Many different types of mutations can occur within the body. Tay-Sachs disease is a deadly disorder that is caused by a missing codon in the gene coding for production of the hex A enzyme in the body. [ One type of mutation responsible for causing Tay-Sachs disease is a DELETION mutation.
in my opinion it is the first one or A
