What adaptations do sperm have for fertilization?

Spermatozoa are male germ cells that carry half of the human chromosomal set. Together with the chromosome set of the egg, a zygote is obtained. A large number of spermatozoa are present during fertilization. These are millions of sperm. But only one is needed for fertilization. For fertilization, they have some adaptations. First of all, they are mobile due to their structure. They also contain special enzymes to get inside the egg and deliver DNA.

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