Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Fertilization is the process in which two gametes, one from a male parent and another from a female parent, combine to form a zygote. The zygote is the first cell of a new individual with a complete set of chromosomes.