Question

A single gene mutation would most likely occur if

1.
messenger-RNA molecules temporarily bond to DNA molecules
2.
the cytoplasm lacks the amino acids necessary to synthesize a certain polypeptide
3
a base sequence in a DNA molecule is changed
4
transfer-RNA molecules do not line up properly on a messenger-RNA molecule

Answer 1

Answer: 3. a base sequence in DNA molecule is changed

Explanation: i took a castle learning and that was the answer