Question

inversion, in inversion the direction of parts of a chromosome is reversed. one last example of a chromosomal mutation is translocation, this is when part of one chromosome breaks off and attaches to another chromosome. which is an example of a chromosomal mutation? substitution translocation deletion

Explanation:

The text clearly states that translocation is a type of chromosomal mutation where part of one chromosome breaks off and attaches to another chromosome. Substitution is a point - mutation at the nucleotide level, and deletion is not mentioned in the provided text as an example here.

Answer:

B. translocation