A population in which there are several mutant alleles for a specific gene. A situation where different alleles of a gene cause different severity of disease. A situation where people with the same genotype might have different phenotypes. A situation where people with the same phenotype have different genotypes.
For all non-technical questions, including procedural, case-related, or general questions about the Court, you must contact the Office of the Clerk of the Court at (202) 521-0700 or by postal mail at U.S. Tax Court, 400 Second Street, N.W., Washington, DC 20217, Attention: Office of the Clerk of the Court.
irs phone number for taxpayers living abroad international if you are calling about an issue with filing electronically contact the austin office at 512 416 7550 7am to 6pm cst if the need help with refunds account problems tax return procedures or old tax returns you can call one of the office listed below