zygote
a fertilized egg’ which is the first cell of a new individual
A zygote is a single cell that forms when two gamete cells (sperm and ovum) come together during fertilization. The zygote is an important stage in sexual reproduction because it carries the combined genetic material of both parents. The zygote then divides through a process called mitosis to form an embryo, which develops into a fetus, and eventually a fully formed individual. The zygote contains all the genetic information necessary for the development of an organism, including information related to physical characteristics, such as eye and hair color, as well as susceptibility to certain diseases. The zygote undergoes rapid cell division and differentiation to form the various tissues and organs required for an individual to develop and grow. Overall, the zygote is the first step in the complex process of embryonic development.
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