Which one of the following is correct development sequence?

(a) Ovum-sperm, blastocyst, zygote
(b) Blastocyst, ovum-sperm, zygote
(c) Blastocyst, zygote, ovum-sperm
(d) Ovum-sperm, zygote, blastocyst

Anurag Mishra Professor Asked on 3rd February 2016 in Child Development.
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    Answer: (a) Ovum-sperm, blastocyst, zygote 

    Anurag Mishra Professor Answered on 5th February 2016.
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