Question

This is the normal nucleotide sequence on a DNA strand: A—C—T—G—G—A—T What is a Deletion?
A) A C T G C G A T
B) A C T G A T
C) A G T G G A T
D) A C U G G A U

Answer 1

The answer is going to be B. Deletion in biology means a part of chromosome is lost during DNA repliction.