Biology CLEP Prep Practice Exam

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What type of reproduction involves the union of two gametes?

Binary fission
Asexual reproduction
Pollination
Sexual reproduction

The correct answer is: Sexual reproduction

Sexual reproduction is the process where two haploid cells, known as gametes, combine to form a zygote. This type of reproduction results in genetic variation as the offspring inherits traits from both parents. Binary fission is a type of asexual reproduction where a single organism splits into two nearly identical cells. Asexual reproduction does not involve the union of two gametes, as it produces offspring that are genetically identical to the parent. Pollination is the process of transferring pollen grains from the male reproductive organ of a plant to the female reproductive organ, but it does not involve gametes and is therefore not considered a type of reproduction. Therefore, the correct answer is sexual reproduction.