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Is sickle cell anemia recessive or dominant?
Sickle cell anemia is an autosomal recessive disease. Carriers have sickle cell trait, which confers resistance to malaria.
Is sickle cell anemia considered a codominant trait in genetic inheritance?
Yes, sickle cell anemia is considered a codominant trait in genetic inheritance.
If sickle-cell anemia is so destructive why hasn't the sickle-cell allele been eliminated from the population?
It is important to note that sickle-cell anemia comes in two forms. The homozygous sickle-cell anemia and the heterozygous sickle-cell trait. The difference between the two is that sickle-cell anemia has a high rate death rate at a young age (20~), and the sickle-cell trait is nearly asymptomatic.In regions such as North America, sickle-cell anemia would be selected against and would eventually leave the gene pool. The sickle-cell trait on the other hand, has little effect on the fitness of the organism, and as such will remain in the gene pool.In malaria endemic regions such as sub-Sahara Africa, sickle-cell anemia provides very high levels of immunity to malaria and the sickle-cell trait provides a slightly lesser level of immunity. Both forms of sickle-cell will increase the organisms fitness and as such, it will remain in the gene pool. Further on, the sickle-cell trait has greater fitness than sickle-cell anemia, hence, the sickle-cell trait will be selected as the fittest allele.If s is the sickle-cell allele and S is a normal allele;The relative fitness in malaria endemic regions;Ss > ss > SSSickle-cell trait > Sickle-cell anemia > NormalThe relative fitness in non-malaria endemic regions;SS > Ss > ssNormal > Sickle-cell trait > Sickle-cell anemia
What is the word for the genetic disorder that causes abnormal hemoglobin is known as?
sickle cell anemia. If you are only heterozygous for this disease it is simply called sickle trait.
Can Sickle cell anemia be prevented?
Sickle cell anemia can't be prevented through medicine because it is a genetic trait. The only way to totally prevent it is to make sure that neither parent carries the trait.
The difference between sickle cell trait and sickle cell disease?
It has to do with your genitic make up. You don't have sickle cell anemia because you only have 1 of the traits on your beta hemoglobin gene. People with sickle cell anemia have two.Most of the time peolple with sickle cell trait display much milder symptoms. It is more prevolent in African Americans and woman should be monitored during pregnancy.
How is the gene involved in sickle cell anemia different from the genes for pea plants' traits that Mendel studied?
One gene controlled one trait within Mendel's study, but the sickle cell anemia effects more than one trait.
Which individuals have the greatest fitness in an area where malaria is common?
Individual homozygous for the sickle cell anemia allele
You are a black female with beta thalassemia minor trait both of your children have this trait can sickle cell anemia trait partner effect their children also?
If you have beta thalassemia trait and your partner has sickle cell trait there is a 25% chance of your child having sickle beta thalassemia.
How is the gene involved in sickle cell anemia different from the gene for pea plant traits that Mendel studied?
One gene controlled one trait within Mendel's study, but the sickle cell anemia effects more than one trait.
What is an inherited autosomal recessive disorder of the blood where an individuals red blood cells are sickle shaped rather than disk shaped?
C. Sickle-cell anemia
How can sickle cell be prevented?
once youdidn't get it from birth, then it is not possible to get it when you grown up, but if you want to protect your future children not get the disease than it is better not to married from sickle cell disease man
