An organism described as 2n=4 has the chromosomes below with genes indicated by

Question

An organism described as 2n=4 has the chromosomes below with genes indicated by letters and centromeres indicated by periods.

Select the BEST description of the chromosome aberration present in this organism.

C.FGILM ___________C.FGILTR____________ RTWY.Z_____________ MWY.Z

Select one:

a. Heterobrachial Displaced Duplication

b. Interstitial Deletion

c. Tandem Duplication

d. Reciprocal Translocation

e. Nonreciprocal Translocation

f. Paracentric Inversion

g. Pericentric Inversion

h. Robertsonian Translocation

i. Terminal Deletion

j. Reverse Tandem Duplication

k. Homobrachial Displaced Duplication

Explanation / Answer

Answer is option 'e'.

Non reciprocal translocation is a type of chromosomal abberration in which chromosomal segment is transferred to a non homologous chromosome without any replacement for the transferred segment as in reciprocal translocation. It is kind of unidirectional transfer.

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