The B-1/B-2 visitor visa is for people traveling to the United States temporarily for business (B-1) or for tourism or medical treatment (B-2). In most cases, the B-1 and B-2 visas are combined and issued as one visa: the B-1/B-2. Fees: $160 application fee, reciprocity fees depending on country of citizenship. Russian nationals can receive single or multiple entry visitor visas valid for the period of up to three years, and pay no reciprocity fee.
FISH testing is usually done on the same samples as a karyotype - blood, amniocytes or a chorionic villi sample. A FISH test is done using a fluorescent probe that binds to certain specific chromosomes. These fluorescent probes are made of DNA specific to certain chromosomes and are tagged with a fluorescent dye.
The term animal testing refers to procedures performed on living animals for purposes of research into basic biology and diseases, assessing the effectiveness of new medicinal products, and testing the human health and/or environmental safety of consumer and industry products such as cosmetics, household cleaners, food additives, pharmaceuticals ...