Question

write information on any 5 disorders caused due to genetic abnormalities? Fast​

Answer 1

Answer:

Down Syndrome

Typically, the nucleus of an individual cell contains 23 pairs of chromosomes, but Down syndrome occurs when the 21st chromosome is copied an extra time in all or some cells. Nurse practitioners and physicians commonly perform detailed prenatal screening tests, like blood tests, that detect quantities of chromosomal material and other substances in a mother’s blood. This type of testing can determine, with high accuracy, whether or not a child will be born with Down syndrome. When a person is diagnosed with Down syndrome, they are likely to exhibit varying levels of mild to severe cognitive delays. Other markers of Down syndrome include a higher disposition for congenital heart defects, low muscle tone, smaller physical stature, and an upward slant to the eyes. According to the Centers for Disease Control and Prevention (CDC), approximately one in every 700 babies born in the US will have Down syndrome. Also, the older a mother is at the time of birth, the more likely the child is to have Down syndrome. [5]

Thalassemia

Thalassemia is a family of hereditary genetic conditions that limits the amount of hemoglobin an individual can naturally produce. This condition inhibits oxygen flow throughout the body. There is a 25 percent chance that children who inherit the Thalassemia gene from both parents will be born with Thalassemia.[7] People who are especially likely to be carriers of the faulty gene that is responsible for Thalassemia include those of Southeast Asian, Indian, Chinese, Middle Eastern, Mediterranean, and Northern African descent. With any form of Thalassemia usually comes severe anemia, which may require specialized care such as regular blood transfusions and chelation therapy.

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