A zygote is the result of the union of an ovum (egg cell) and a sperm cell. It remains a zygote until it begins to divide; at that point, the zygote becomes an... A zygote is the result of the union of an ovum (egg cell) and a sperm cell. It remains a zygote until it begins to divide; at that point, the zygote becomes an embryo. In multi-cellular organisms, a zygote is the first stage of development following conception. Unlike the ovum and sperm, which each contain half the number of chromosomes found in somatic cells, the zygote contains the full number of chromosomes normal in the somatic cells of the species. A zygote normally develops into a single embryo.
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Microsoftâs Surface PC event: what to expect. Microsoft is returning to New York City this week to host a special press event on October 26th. While Microsoft held a similar event last year in October, this year's show is expected to include less hardware, with more of a theme around 3D and creativity. That theme will extend directly to an expected Surface all-in-one device, and details on Microsoft's upcoming Windows 10 software updates.