(sabkÉnËtrÓktÉ) , ((American) sabËkontraktÉr) noun. a person who undertakes work for a contractor and is therefore not directly employed by the person who wants such work done. The building contractor has employed several subcontractors to build the block of flats.
Furthermore, three unrelated fragile X patients were found with a C-to-T point mutation at the 14th nucleotide in intron 10 with normal length CGGÂ·CCG repeats (Fig. 1F) (42). Clearly, these point mutations are sufficient for the development of the fragile X syndrome.
Genes are found on structures in the cells of the body called chromosomes. Each cell normally contains 46 total, or 23 pairs of chromosomes. The seventh pair of chromosomes contains a gene called the cystic fibrosis transmembrane regulator (CFTR) gene.Mutations or errors in this gene are what cause CF.This gene is quite large and complex.ore than 1,800 different mutations in this gene have been found that cause CF. According to the Cystic Fibrosis Foundation, the risk for having a mutation in the gene for CF depends on your ethnic background if you have no family history of CF: Ethnic Background. Risk of CF Mutation.