Question

After a sperm cell and an egg unite _____ has occurred .

1. Fertilization
2. Asexual reproduction
3. Pollination
4. Conjugation

Answer 1

fertilization

Step-by-step explanation:

Human fertilization is the union of a human egg and sperm, usually occurring in the ampulla of the fallopian tube. ... The process of fertilization involves a sperm fusing with an ovum. The most common sequence begins with ejaculation during copulation, follows with ovulation, and finishes with fertilization.