How is genetic variation introduced in sexual and asexual forms of reproduction?

Question

How is genetic variation introduced in sexual and asexual forms of reproduction?

a Variation in sexual reproduction: independent assortment of chromosomes, genetic recombination, random fertilization. Variation in asexual reproduction: mutations

b Variation in sexual reproduction : independent assortment of chromosomes, crossing over. Variations in asexual reproduction: random cloning.

c Variation in sexual reproduction: independent assortment of chromosomes, crossing over. Variations in sexual reproduction: mutations, random cloning.

d Variation in sexual reproduction: random assortment of chromosomes, genetic recombination, random fertilization. Variations in asexual reproduction: genetic recombination, mutations

Explanation / Answer

The answer is a. Variation in sexual reproduction: independent assortment of chromosomes, genetic recombination, random fertilization. Variation in asexual reproduction: mutations

Cloning is reffered as Asexula multiplication, during this there is no genetic variation occurs from parent to daughter. The only option for variation is mutations.

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