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Mbengu za mwanaume na yai la mwanamke huwa vina nini?

Discussion in 'JF Doctor' started by Annael, Aug 31, 2012.

  1. Annael

    Annael JF-Expert Member

    Aug 31, 2012
    Joined: Sep 26, 2011
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    Nataka kujua ndani ya mbegu za mwanaume na yai la mwanamke huwa kunakitu gani kina fanya mtu atokee?
  2. Nivea

    Nivea JF-Expert Member

    Sep 1, 2012
    Joined: May 21, 2012
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    they contain DNA material