What is the end product of spermiogenesis?

Spermiogenesis is the final phase of spermatogenesis, which is the process by which sperm cells are produced in the male reproductive system. During spermiogenesis, spermatids undergo a series of significant morphological changes, transforming into mature sperm cells, known as spermatozoa. This process involves several key developments, including the formation of a flagellum for motility, condensation of the nucleus, and the development of an acrosome, which contains enzymes that help the sperm penetrate the outer layers of an egg during fertilization.

The transformation from spermatids to spermatozoa marks the completion of sperm development, making spermatozoa the end product of spermiogenesis. This is crucial for male fertility, as only fully developed spermatozoa can effectively reach and fertilize an ovum. Thus, the correct answer captures the significance of the final product of this developmental stage in reproduction.