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