Q.

The mechanism that causes a gene to move from one linkage group to another is called                    [2016]

1 inversion  
2 duplication  
3 translocation  
4 crossing-over  

Ans.

(3)

Translocation is a chromosomal abnormality caused by rearrangement of parts between non-homologous chromosomes. It may cause a gene to move from one linkage group to another.