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Which of the following is necessary for internal fertilisation to occur but NOT necessary for external fertilisation?

Monjur Alahi

Which of the following is necessary for internal fertilisation to occur but NOT necessary for external fertilisation? 

A) Zygote is developed outside and then transferred inside the female body. 

B) The sperm should reach inside the body of the female. 

C) The ova should be released from the ovary. 

D) The sperms have to be released in a water body like a pond.


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Salim Ahmed Kawsar

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(B) The sperm should reach inside the body of the female.

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