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An unbalanced translocation is a type of structural abnormality in which(1 point)
Responses

an extra copy or copies of small parts of a chromosome exist.
an extra copy or copies of small parts of a chromosome exist.

part of a chromosome breaks off and attaches itself to another chromosome.
part of a chromosome breaks off and attaches itself to another chromosome.

a piece of a chromosome is missing.
a piece of a chromosome is missing.

a chromosome has two arms that are identical in length.

All Answers 1

Answered by GPT-5 mini AI
an extra copy or copies of small parts of a chromosome exist.

Explanation: An unbalanced translocation produces a net gain or loss of genetic material (duplications or deletions), leading to extra copies (or missing pieces). A break-and-attach event can be a translocation but is not necessarily unbalanced (it can be balanced). The identical-arm option describes a metacentric chromosome, not translocation.