totipotency
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totipotency |
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| navigate by keyword : zygote earliest developmental stage humans anisogamous organisms formed egg cell sperm together create unique organism formation totipotent potential produce depends epigenetic reprogramming dna demethylation paternal genome appears important mouse sites methylated cytosines likely key process establishing totipotency involves processes base excision repair based mechanisms fertilized grow animal plant female39aph39s ovum male39aph39s join called aigenerated fertilization fertilize fusion item odd rare result zyg zygo acent anot batheed protiens fleids zygotein proteins fluids caell single |
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| 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 formation of a totipotent zygote with the potential to produce a whole organism depends on epigenetic reprogramming. DNA demethylation of the paternal genome in the zygote appears to be an important part of epigenetic reprogramming In the paternal genome of the mouse, demethylation of DNA, particularly at sites of methylated cytosines, is likely a key process in establishing totipotency. Demethylation involves the processes of base excision repair and possibly other DNA-repairâbased mechanisms. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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