Question

Homologous DNA recombination in prokaryotes take place for________________

(a) Increasing variability

(b) Repair

(c) Incorporation of gene

(d) Taking up a plasmid from media

I have been asked this question by my college director while I was bunking the class.

I'd like to ask this question from Homologous DNA Recombination in section Genetic Recombination of Cytogenetics

Answer 1

Correct option is (b) Repair

The explanation is: In prokaryotes, the repair is mainly the sole recombination as these organisms have only one copy of chromosomes. Two copies are available only during fission when this recombination takes place. Gene transfer processes and their incorporation are very rare.