NEET > Biology Class 12 > Mendelian Disorder: Sickle Cell anaemia
Mendelian Disorder: Sickle Cell anaemia Video Lecture - Biology Class 12 - NEET
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FAQs on Mendelian Disorder: Sickle Cell anaemia Video Lecture - Biology Class 12 - NEET
| 1. What is sickle cell anaemia? |  |
Ans. Sickle cell anaemia is a genetic disorder characterized by the production of abnormal red blood cells. In individuals with this disorder, their red blood cells become rigid and crescent-shaped, resembling a sickle, instead of the normal round shape. This abnormal shape hinders the cells' ability to carry oxygen efficiently, leading to various complications and symptoms.
| 2. How is sickle cell anaemia inherited? | |
Ans. Sickle cell anaemia is inherited in an autosomal recessive manner, meaning that both parents must carry a copy of the abnormal gene for their child to develop the disorder. If both parents are carriers, there is a 25% chance that their child will have sickle cell anaemia, a 50% chance that the child will be a carrier, and a 25% chance that the child will neither have the disorder nor be a carrier.
| 3. What are the symptoms of sickle cell anaemia? | |
Ans. The symptoms of sickle cell anaemia can vary from person to person and can range from mild to severe. Some common symptoms include fatigue, increased vulnerability to infections, painful episodes known as sickle cell crises, delayed growth and development in children, jaundice, and vision problems. It is important to note that the severity and frequency of symptoms can be influenced by various factors, such as the type of sickle cell gene mutation and individual health conditions.
| 4. Can sickle cell anaemia be cured? | |
Ans. Currently, there is no cure for sickle cell anaemia. However, there are treatments available that can help manage the symptoms, prevent complications, and improve quality of life. These treatments may include pain management during sickle cell crises, blood transfusions, medications to reduce the frequency of crises, and bone marrow or stem cell transplantation in certain cases. It is important for individuals with sickle cell anaemia to receive regular medical care and follow a comprehensive treatment plan.
| 5. How can sickle cell anaemia be prevented? | |
Ans. While sickle cell anaemia cannot be prevented entirely, there are measures that individuals can take to reduce the risk of passing the disorder to their children. Genetic counseling and testing can help determine the risk of having a child with sickle cell anaemia. If both parents are carriers, options such as pre-implantation genetic diagnosis or prenatal testing can be considered to make informed decisions about family planning. Additionally, early diagnosis and management of the disorder can help minimize complications and improve outcomes for individuals with sickle cell anaemia.
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