oogenesis

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10 Terms

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Oogenesis

process of egg developing in ovum

creation of ovum from meiosis

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when does oogenesis start

begins before birth

oogonia undergo mitosis

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until puberty

oogonia will remain doormanant

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first menstrual cycle

primary oocyte and follicle start developing

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Primary Oocytes

goes through meiosis 1

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secondary oocyte

ovum resulted from meiosis 1 and is released during ovulation.

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polar body

one of the secondary oocyte only nucleus will die

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what happens too ovum

Ovum divides when fertilized produces 2 cells, one dies, one is a

zygote (fertelized embryo)

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1 oogenium makes 4 cells but only 1 viable

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1 spermatogonium become 4 spermatozoa