Biology

The correct answer is: B.Chromosomal deletion

Explanation:

Chromosomal deletion occurs when a segment of a chromosome is missing or lost. Based on the image, where a segment of genes is "missing" from the chromosome, this corresponds to a deletion mutation.

Here’s why the other options are incorrect:

A.Chromosomal insertion/duplication: These mutations involve the addition of genetic material, either by inserting a segment of DNA from another part of the genome or duplicating a...