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Biology 19 Online
gsmith2002:

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. Which type of mutation is responsible for causing Tay-Sachs disease? substitution replacement insertion deletion

Eiwoh2:

I believe the type of mutation responsible would be deletion, since it contains a missing codon, implying that the nucleotides were deleted.

gsmith2002:

A point mutation changes the DNA sequence CGA to CGT, but the same protein is still produced. Which point mutation occurred? nonsense missense silent frameshift

Eiwoh2:

Can you continue to close the question and ask in another thread? It's how QC goes. One question per thread.

gsmith2002:

sorry yes i can

Eiwoh2:

No problem. We are all here to help.

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