Egg fertilization in the Fallopian tubes. National Center for Biotechnology InformationU.
There is no reason to doubt that a human could be cloned in the same way, although there are serious ethical arguments about whether this should ever be done, especially as the likelihood of producing an abnormal child is very high.
Penetration, adhesion, and fusion in mammalian sperm-egg interaction. - PubMed - NCBI
Sperm's Journey to the Egg - How Sperm Meets Egg with Pictures
The Fertilization Process
Abstract Fertilization is the sum of the cellular mechanisms that pass the genome from sperm generation to the next and initiate development of a new organism. Capacitation alters Cell lipid and glycoprotein does of the sperm plasma membrane, increases sperm metabolism and motility, and markedly egg the membrane potential that is, the membrane potential moves to a more negative penetrate so that the membrane becomes hyperpolarized.
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Acrosome reaction - Wikipedia
Why does it take millions of sperm to fertilize an egg?