Question

What chromosomal defect is caused when part of a chromosome breaks off at either end and attaches to another chromosome

Answer 1

The chromosomal defect is caused when part of a chromosome breaks off at either end and attaches to another chromosome is called Translocation.

Answer 2

Translocation

Step-by-step explanation:

Abnormalities occur in the chromosomes of living organisms. These chromosomal abnormalities are caused by MUTATION. Mutation is any change in the nucleotide sequence of a gene, which is found on chromosomes.

According to the question, a chromosomal defect that involves the exchange of chromosomal segment between two different chromosomes is called TRANSLOCATION. In Translocation, one part or segment of a chromosome containing genes breaks off and gets reattached to another chromosome in the cell.