Answer:
Fertilization usually occurs in the fallopian tubes.
Step-by-step explanation:
Fertilization predominantly happens within the fallopian tubes, also referred to as the oviducts.
Following the release of an egg from the ovary during ovulation, it travels along the fallopian tube. If there are sperm present in the reproductive tract, typically due to sexual intercourse, they can encounter the egg within the fallopian tube.
The actual fusion of sperm and egg, known as fertilization, commonly occurs in the ampulla section of the fallopian tube. Once fertilization takes place, the resulting embryo initiates its journey towards the uterus, where it implants and undergoes further development throughout pregnancy.
It is worth noting that while the fallopian tubes are the usual site of fertilization, there are rare cases, such as ectopic pregnancies, where fertilization may occur outside the fallopian tubes.