Q. Presence of recombinants is due to :

Q. Presence of recombinants is due to :

Q. Presence of recombinants is due to :

(a) Crossing over

(b) linkage

(c) lack of independent assortment

(d) all of the above

Solution :

Correct option : A Recombination during meiosis is caused by crossing over. The homologous chromosomes pair and cross over at points known as the chiasmata. The chiasma breaks and the broken chromosome segments get switched onto homologous chromosomes leading to recombination.
So, the correct option is ‘Crossing over’.

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