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Q.
Given below is a representation of a kind of chromosomal mutation. What is the kind of mutation represented?
CMC MedicalCMC Medical 2012
Solution:
Inversion involves a reverse order of genes in part of chromosomes. In figure, break occurs between A and E. Remain at the broken ends may lead to inversion of segment BCD into DCB. In deletion, a section of chromosome is lost. In duplication, a section of chromosome is duplicated. In reciprocal translocation an exchange of chromosome fragment occurs in between two non-homologous chromosomes.
