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The Endowment for Human Development
The Endowment for Human Development
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#2, Slide 2 of 312

 

Note:

The head of each spermatozoon contains a unique set of paternal chromosomes.

Label Key:

1. tail
2. midpiece
3. neck
4. head (acrosomal cap)
All ages referenced to fertilization, not last menstrual period.
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