Multiple choice

Genetic variations is caused by

  1. synapse of homologous chromosomes in meiosis

  2. chiasmata formation in meiosis

  3. tetrad formation in meiosis

  4. due to DNA repair at the end of cell division
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chiasmata formation is crossing over of non-sister chromatids which may cause recombination and ultimately lead to genetic variation.

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