In human fertilization, a released ovum (a haploid secondary oocyte with replicate chromosome copies) and a haploid sperm cell (male gamete) combine to form a single diploid cell called the …

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 …

Nov 18, 2025 · A zygote, also called a fertilized egg, is the phase of conception where the egg and sperm join to form a single cell. The zygote contains a full set of chromosomes, with 23 …

Oct 15, 2024 · “Zygote” is the term used to define the very earliest stage of pregnancy, when a sperm and egg first unite, according to research published through the National Institutes of …

Aug 3, 2023 · A zygote is the first diploid eukaryotic cell that resulted from the fusion of haploid gametes (sperm and an ovum) during sexual reproduction. It is the initial stage of an embryo …

Jun 2, 2024 · A zygote is the simplest form of life, so once a zygote is formed, it proceeds to split and divide into new cells that organize and form more complex structures.

Jul 31, 2025 · The zygote is the earliest developmental stage in humans and most other sexually reproducing organisms. It contains all the genetic information that guides its subsequent …

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 …

A zygote is the initial cell produced through reproduction in humans and most other organisms. From the Greek word meaning to join or to yoke, a zygote is a single cell made by the …

The zygote is the first diploid cell that forms following fertilization by fusion of the haploid oocyte (egg) and spermatozoa (sperm) resulting in the combination of their separate genomes.