Question

Which of the following would be most likely to cause a mutation? The insertion of an extra nucleotide into a DNA strand The placement of ribosomes on the endoplasmic reticulum The movement of transfer RNA out of the cell's nucleus The release of messenger RNA from DNA

Answer 1

The answer option which would most likely cause a mutation is: A. The insertion of an extra nucleotide into a DNA strand.

A gene refers to a component of deoxyribonucleic acid (DNA) that forms or produces a single (one) protein product.  

Mutation can be defined as an alteration (change) in the nucleotide sequence of the gene of a living organism, which results in the formation of a variant gene that may be transmitted to successive (subsequent) generations

Basically, there are four (4) main types of mutation and these include:

• Point mutations.

• Germline mutations.

• Chromosomal alterations.

• Frameshift mutations.

Some of the causes of mutation in living organisms are:

I. An alteration of single base units in deoxyribonucleic acid (DNA).

II. The deletion or rearrangement of an extra section of genes or chromosomes into a deoxyribonucleic acid (DNA) strand.

III. The insertion of an extra nucleotide into a deoxyribonucleic acid (DNA) strand.

In conclusion, the insertion of an extra nucleotide into a DNA strand, results in a mismatch and eventually causes a mutation.

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Answer 2

Answer:

A. The insertion of an extra nucleotide into a DNA strand.

Explanation:

:D