question: What arises due to crossing over, independent assortment, and the random union of gametes?
distractor3: alternative variation
distractor1: susceptible variation
distractor2: recessive variation
correct_answer: genetic variation
support: Asexual reproduction has the advantage of occurring quickly. Sexual reproduction has the advantage of creating genetic variation. This can help a species adapt to environmental change. The genetic variation arises due to crossing over, independent assortment, and the random union of gametes.