Question

READ CAREFULLY!!! THE OTHER ANSWERS ON BRAILY ARE NOT THE SAME AS THESE 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

Answer:

The insertion of an extra nucleotide into a DNA strand

Explanation:

The phenomenon called as gene mutation. The insertion will cause nonsense mutation which results in producing stop codon that will cause the polypeptide chain become shorter.