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Question

Translocation is a type of chromosomal aberration where

A
Parts of chromosome is exchanged between homologous chromosomes.
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B
A part of one chromosome is exchanged between non-homologous counterpart.
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C
A part of one chromosome is shifted to its homologous counterpart.
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D
A part of one chromosome is shifted to another part of the same chromosome.
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Solution

The correct option is B A part of one chromosome is exchanged between non-homologous counterpart.
The process of translocation is a kind of rearrangement in which block of genes from one chromosome are transferred to other non-homologous chromosome. Breaks in chromosomes are followed by union in ways different from the normal one.
So, the correct answer is 'A part of one chromosome is exchanged between non-homologous counterpart'.

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