explain physical and chemical effects of fertilisation? plz ans.
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When mammalian egg and sperm come into contact in the female oviduct, a series of steps is set in motion that can lead to fertilization and ultimately to development of new individual. Hence, fertilization is the process of union of an ovum with the sperm. Site of fertilization is fallopian tube (ampulla). 1. Approximation of sperm and ovum: 2. Penetration of structures surrounding the ovum:
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I don't understand
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