Bicoid

  1. Noun.  (biochemistry) A protein, in Drosophila and related flies, specified by the bicoid gene, the concentration gradient of which serves to specify which end of the egg will become the head of the fly.
  2. Noun.  (genetics) A gene, in Drosophila and related flies, that specifies which end of an egg will be the anterior and become the fly's head by setting up a concentration gradient of the Bicoid protein.

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This entry was last updated on RefTopia from its source on 3/20/2012.