For the process of development, the instructions are all stored in the maternal and paternal DNA. However, these are only the instructions. Where do the "tools" come from that actually start the developmental process after fertilization?

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    from the cytoplasm of the maternal egg
    from the environment surrounding the new zygote
    from the placenta
    from the cytoplasm of the paternal sperm
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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from the cytoplasm of the maternal egg
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)

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