Q. Which is the most common mechanism of genetic variation in the population of sexually reproducing organisms?
(a) Recombination
(b) Transduction
(c) Chromosomal aberration
(d) Genetic drift

Q. Which is the most common mechanism of genetic variation in the population of sexually reproducing organisms?
(a) Recombination
(b) Transduction
(c) Chromosomal aberration
(d) Genetic drift