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Slide 1What happens after fertilization? A sperm enters an ovum, and the nuclei combine to form one with 46 chromosomes. More free powerpoints at www.worldofteaching.com…

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Slide 1 By Natasha Guenther, Brea Altoya, and Bianca (I can’t spell her last name so I’m leaving it out) Slide 2 Key Concepts After fertilization, embryonic development…

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