Answers

2016-07-15T16:19:05+08:00
Fertilization is very long process that involve the release of 100 to 300 million sperms all in their eye is one prize,to fertilize the only egg.But only one sperm will be crown victor in a hard to finish odds. fertilization happens when finally one has able to  penetrate the outer membrane of the egg, and unite its nucleus. 
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