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  1. Copilot Answer
    Days0
    PrecursorGametes
    Gives rise toBlastomeres
     The First Cell of Life
    The First Cell of Life
    Have you ever wondered how a single cell can give rise to a complex organism like you? It all starts with a zygote, the first cell of a new individual.
    Overview

    A zygote is a eukaryotic cell formed by a fertilization event between two gametes. 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. … See more

    In multicellular organisms

    The zygote is the earliest developmental stage. In humans and most other anisogamous organisms, a zygote is formed when an egg cell and sperm cell come together to create a new unique organism.
    The formati… See more

    In single-celled organisms

    The zygote can divide asexually by mitosis to produce identical offspring.
    A Chlamydomonas zygote contains chloroplast DNA (cpDNA) from both parents; such cells are generally rare, since normally cp… See more