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 …

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 …

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 …

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.

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 …

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 …

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 …

Jun 5, 2024 · The zygote is the first stage of life and appears after the union of the egg and the sperm, that is, after fertilization. It consists of only one cell, the first cell of the future baby, and …

What is a zygote? A zygote is a fertilized egg. [1] It’s created when sperm meets an egg in one of the fallopian tubes. When the sperm mixes with the egg, you conceive, and the result is the …