The sperm and its DNA enters the egg through simple diffusion through the egg plasma membrane.

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The process through which a sperm enters an egg is actually quite complex and involves numerous interactions between the molecules on both the sperm and egg surfaces. This process, called fertilization, typically involves a series of steps including binding, fusion, and ultimately the formation of a zygote. While the details of this process can vary somewhat depending on the organisms involved, it generally requires the use of specialized membrane proteins and other molecules to allow the sperm to penetrate and enter the egg. Once inside, the genetic material from the sperm and egg will combine to form a new embryo with a unique set of characteristics.

The Sperm and Its DNA Enters the Egg Through Simple