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Cell Reproduction Models
Meiosis
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Meiosis I Prophase I Metaphase I 2n cell before replication Anaphase I
Tetrad Daughter Cell (n) Daughter Cell (n)
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Meiosis II Metaphase II Dyad Monad Anaphase II
4 Unlike Daughter Cells (n)
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Spermatozoa (Sperm) Acrosome DNA Mitochondria Tail Head Midpiece
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Meiosis I (in organism where fertilization occurs before Meiosis begins)
Prophase I - 8 chromosomes (2n) Fertilization Male Pronucleus Sperm Female Nucleus
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Metaphase I Anaphase I
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Prophase II Telophase I 1st Polar Body
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Anaphase II 1st Polar Body 2 Pronuclei Merging to form the Zygote Male Pronucleus
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