Which of the following is correctly explains sexual and asexual reproduction?

Select one:
a. All of the choices are correct.
b. In asexual reproduction, the offspring is a genetic mix of both parents which results in a lot of variations within the species. While in sexual the offspring that is produced is genetically identical to the parent.
c. Asexual reproduction involves the union of two sex cells while sexual reproduction involves one parent only.
d. Sexual reproduction involves the union of two sex cells while asexual reproduction involves one parent only.​