Medical Definition of Gap gene
1.
Segmentation genes involved in specifying relatively coarse subdivisions of the embryo.
They are expressed sequentially in development between egg polarity genes and pair rule genes. In Drosophila, there are at least three such genes, for example Kruppel.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
Lexicographical Neighbors of Gap Gene
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