The sperm and the egg


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How many sperm fertilize an egg for identical twins? Read the latest issue. See this for more: Journals that are combined with another title. Further, as individuals internalize stereotypes, they begin to behave according to these misconceptions ultimately shaping how their bodies operate in space. The mid piece is full of mitochondria to have plenty of energy. Loud and harsh sounds carry an underlying male connotation to it, while soft and soothing sounds are often perceived as more feminine.
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Sperm: 15 crazy things you should know


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Conception Pictures: From Egg to Embryo


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Human fertilization

However, some researchers have found[ citation needed ] that in rare pairs of fraternal twins, their origin might have been from the fertilization of one egg cell from the mother and eight sperm cells from the father. It contains strong chemicals that are released once the sperm attaches to the egg. DNA damages present in sperm cells in the period after meiosis but before fertilization may be repaired in the fertilized egg, but if not repaired, can have serious deleterious effects on fertility and the developing embryo.
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The sperm and the egg
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