Williams syndrome is the result of a deletion of the 7q11.23 region of chromosome #7 containing the elastin gene and is believed to be a contiguous gene syndrome. Diagnosis of Williams syndrome is confirmed by dual colour FISH using a specific probe and a control probe.
Exert is defined as to put forth or into use with great energy. An example of exert is to put lots of energy into exercising. YourDictionary definition and usage example. exert. to put forth or use energetically; put into action or use: to exert strength, influence, etc. to apply (oneself) with great energy or straining effort Origin of exert
Excise. A tax imposed on the performance of an act, the engaging in an occupation, or the enjoyment of a privilege. A tax on the manufacture, sale, or use of goods or on the carrying on of an occupation or activity, or a tax on the transfer of property.