Ameziane Cherfouh

Learn More
Down syndrome occurs every 1/1000 births and is the most frequent genetic cause of mental retardation. The genetic substrate of Down syndrome, an extra chromosome 21, was discovered by Lejeune, half-a-century ago, and the chromosome has been fully sequenced, although the gene(s) implicated in the mental retardation observed with the syndrome are still(More)
The Galois Lattice of a binary relation formalizes it as a concept system, dually ordered in "extension" / "intension". All implications between conjunctions of properties holding in it are summarized by a (recursive) canonical basis-all basis having the same cardinality (see [MR #87k:08009]). We report here how these tools structure phenotypes / genotypes(More)
  • 1