| The advantages for genetic testing are the ability to | | | | disease is present. Monogenic disorders commonly |
| find out if a couple planning to have children may | | | | known as single gene disorders, is caused when |
| have a gene that is found in both that could be | | | | mutation occurs in the DNA. More than six thousand |
| pasted on to a child. Genetic testing diseases, allows | | | | monogenic disorders exist such as sickle cell anemia |
| scientists to evaluate the abnormal gene and do | | | | and Marfan syndrome. |
| studies and research as well, which at some time | | | | Polygenic, Multifactorial Disorders and Mitochondrial |
| may prove beneficial in finding cures or drugs to | | | | Disorder |
| control the disease. | | | | Mitochondrial disorder is a rare disorder that occurs |
| Testing for Muscular dystrophy, colon cancer and | | | | when changes in the DNA are found. This is usually |
| some of the chromosomal abnormalities like Turner's | | | | passes from mother to her unborn child. Polygenic |
| syndrome or Downs syndrome is beneficial not only | | | | and multifactorial disorders are caused when a |
| for the health of a person, but for science as well. | | | | combination of environmental and genes show signs |
| The advantage of genetic testing allows the ability to | | | | of mutation and causes such disorders as cancer high |
| study the human genetics; scientists have the ability | | | | blood pressure and heart disease. |
| to test new drugs, treatments and other types of | | | | Genetic Testing |
| research programs beneficial to preventing genetic | | | | Genetic testing diseases allows for diagnosis of many |
| abnormalities. | | | | different types of disorders and allows people to no |
| The earlier years of genetic testing were to detect | | | | if they are a carrier or afflicted with the disease. The |
| aberrations with a method known as Karyotyping. | | | | gene does not cause the specific disease the disease |
| Today DNA provides a better understanding of | | | | is caused by the mutation of the gene. There are |
| heredity and provides a better understanding of | | | | many types of genetic testing such as carrier |
| diseases being passed down to other family | | | | screening, diagnosis testing, fetus screening and |
| members. There are some advantages of genetic | | | | prenatal screening to name a few. These tests are |
| testing, if your family history shows a specific | | | | done with blood, amniotic fluid, hair, semen, skin or |
| disease, you can have genetic testing to see if to | | | | bone marrow. |
| have the gene that makes you a carrier or prone to | | | | If someone tests positive for a genetic disorder, |
| develop the disease. | | | | more tests may be required. A molecular study is |
| Chromosomal Disorders and Single-Gene Disorders | | | | preformed if a single gene disorder is found. Today, |
| Chromosomal disorders are made up of protein and | | | | with the use of DNA, more studies are preformed |
| DNA in the nucleus of the cell. If there is, an | | | | than earlier years when science was less than |
| abnormality in the structure of the chromosomal, | | | | perfect for genetic testing diseases. |