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  1. Zygote - Wikipedia

    The zygote's genome is a combination of the DNA in each gamete, and contains all of the genetic information of a new individual organism. The sexual fusion of haploid cells is called …

  2. Zygote | Definition, Development, Example, & Facts | Britannica

    Zygote, fertilized egg cell that results from the union of a female gamete (egg, or ovum) with a male gamete (sperm). In the embryonic development of humans and other animals, the zygote …

  3. Zygote: Formation, Timing, Twins, Complications - Verywell Health

    Nov 18, 2025 · The zygote stage lasts about four days after an egg is fertilized by a sperm. A zygote, also called a fertilized egg, is the phase of conception where the egg and sperm join to …

  4. ZYGOTE Definition & Meaning - Merriam-Webster

    The meaning of ZYGOTE is a cell formed by the union of two gametes; broadly : the developing individual produced from such a cell.

  5. What is a zygote? | BabyCenter

    Feb 2, 2024 · When a sperm fertilizes an egg, a zygote is formed – and pregnancy begins. A zygote is the very first form your baby takes – before they're even in the womb. Read on to …

  6. What Is a Zygote and How Is It Formed? - What to Expect

    A zygote is a fertilized egg that can form into an embryo. Learn more about the development process, including how long this stage can take.

  7. What Does a Zygote Mean in Human Development?

    Aug 24, 2025 · A zygote represents the first cell formed when a sperm fertilizes an egg. It is a single, diploid cell that contains a complete set of 46 chromosomes, with 23 contributed by the …

  8. Zygote Definition - General Biology I Key Term | Fiveable

    A zygote is the initial cell formed when two gametes, typically a sperm and an egg, fuse during fertilization. This single cell undergoes division and development, leading to the formation of a …

  9. What Is a Zygote? The First Stage of Human Development

    Nov 23, 2025 · The zygote represents the earliest stage of human existence, serving as the starting point for all subsequent development. This single, newly formed cell is the direct result …

  10. Zygote | Research Starters - EBSCO

    A zygote is the first cell formed during reproduction in humans and many other organisms, resulting from the fertilization of an egg by sperm. The term "zygote" originates from the Greek …