MHT CET · BIOLOGY · STD 12 - 5. Origin and Evolution of Life

Which chromosomal aberration does the following figures indicate?

A Duplication
B Deletion
C Translocation
D Inversion

Verified Solution

Answer & Solution

Correct Answer

(C) Translocation

Step-by-step Solution

Detailed explanation

Translocation is transfer of segment of DNA from one chromosome to other. Inversion is reverse of a segment, duplication is repeat of the segment, and deletion is loss of chromosomal segment. All these brings about structural and morphological changes in chromosome.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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