The correct answer is 3 + 6x. Heres why: Add or subtract all of your variables x + 2x + 3x = 6x. Now add or subtract your numbers 7-4= 3. 6x + 3 or 3 + 6x.
Answer:
A frame shift mutation (also called a framing error or a reading frame shift) is a genetic mutation caused by indels (insertions or deletions) of a number of nucleotides in a DNA sequence that is not divisible by three.The earlier in the sequence the deletion or insertion occurs, the more altered the protein.
