The codon for the amino acid _______ doubles as the start codon.
Frameshift mutations insert or delete nucleotides, shifting the _______ of the mRNA message.
_______ mutations, inherited from parents, are present in every cell in the offspring.
Respond to the following based on your reading.

Explain the concept of a mutation and how mutations can translate to loss or gain of function in an organism.
Discuss how mutations can be part of the Darwinian theories of natural selection.
What are frameshift mutations, and why are they so devastating?
What are the two main categories of mutations that occur in humans? Name and define the two types.
Enter your response here.