Respuesta :
if a mutated DNA sequence produces a protein that differs in one central amino acid from the normal protein, an addition mutation and a deletion mutation could have occurred.
A mutation is an alteration in an organism's DNA sequence. Mutations can occur as a result of mistakes in DNA replication during cell division, mutagen exposure, or viral infection. Germline mutations (those that occur in eggs and sperm) can be passed down to offspring, whereas somatic mutations (those that occur in body cells) cannot.
Mutations are occurring in our cells all the time, but hardly any of these affect our health. One possible explanation is that our cells have highly sophisticated machinery for quickly repairing mutations. As a result, they don't have enough time to cause problems. Another factor is that most mutations occur in somatic cells, such as muscle or skin cells, and can only actually impact the cell where the mutation happened and cells that grow from it.
Insertion is a type of addition mutation. In genomics, an insertion is a type of mutation that incorporates the addition of one or even more nucleotides to a segment of DNA. An insertion can consist of the addition of any number of nucleotides, ranging from one to an entire chromosome.
In genomics, a deletion is a type of mutation that involves the removal of one or more nucleotides from a segment of DNA. A deletion can lead to degradation of any number of nucleotides, ranging from a single nucleotide to an entire chromosome segment.
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