What are the disadvantages and advantages of asexual and sexual reproduction?

Advantages of asexual is only one parent is needed. Disadvantages is no genetic variation. For sexual advantages is genetic variation. Disadvantage is two parents are needed.

Asexual reproduction is usually faster and uses less energy than sexual reproduction. But asexual reproduction produces no differences in DNA among offspring, and creates competition for resources.  Sexual reproduction produces differences in the DNA of offspring, and competition for resources is not as high. But sexual reproduction can require a lot more time and energy.

Explanation: I did the assainment on edge 2020

answer///multiple alleles;