Description: A zygote is the initial cell formed when a new organism is conceived, resulting from the fusion of an egg and a sperm. This cell is diploid, meaning it contains two sets of chromosomes, one from each parent. The zygote is the first step in the development of a multicellular organism and contains all the genetic information necessary for the growth and development of the future living being. As the zygote divides and multiplies, it becomes an embryo, which will later develop into a fetus and ultimately into a complete organism. The formation of the zygote is a crucial process in sexual reproduction and is fundamental to genetic diversity, as it combines the genes of both parents. This process is essential not only in humans but also in most multicellular organisms, including animals and plants. Understanding the zygote and its development has been an important area of study in biology and genetics, as it provides insights into inheritance, embryonic development, and potential genetic anomalies that may arise during the initial formation and development process.