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Uploaded by dizzo95 on Aug 2, 2007
How the Body Works FusionThe nucleus of each sperm and ovum contains twenty-three chromosomes. The two nuclei fuse in the cytoplasm of the ovum.
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embryology - the proof that islam is the truth
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For amaaaaaazing facts, type in the box :
embryology - the proof that islam is the truth
gulfland 1 year ago