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Sickle Cell Anemia is a ressesive trait, but it is autosomal, no sex-linked. And it is caused by an error in the gene for hemoglobin, a protein which transports oxygen in the bloodstream.
http://wiki.answers.com/Q/Is_sickle_cell_anemia_dominan...
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Sickle cell anemia, a recessive disorder characterized by chronic anemia, episodic joint pain, and crescent-shaped red blood cells, is a relatively simple example. ... Without exception, all the diseases mentioned so far have been recessive. Dominant inherited diseases are very rare, because victims of these diseases...
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library.thinkquest.org/17109/diseases.htm
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So in some cases, just having one copy of the dominant (working) gene is enough. ... In the case of sickle cell anemia, the recessive gene changes the protein structure of the shape of the red blood cell. If you have one good copy and one bad copy of the gene, some of your cells will be normal and some will be sickle cells.
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www.newton.dep.anl.gov/askasci/bio99/bio99691.htm
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Sickle cell anemia:This is the homozygous form. (Homozygous refers to two genes at the same loci on different chromosomes relating to the same characteristic. The two genes in this case are identical -- both are either recessive or dominant).
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www.innvista.com/health/ailments/anemias/sickle.htm
www.innvista.com/health/ailments/anemias/sickle.htm
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Sickle Cell Anemia: a case study in evolution ... Actually, we're not going to be talking about sickle cell anemia here for quite a while, because we've got a lot to cover first. Sickle Cell Anemia is far more complicated than most people realize. ... Now genes like that are sometimes dominant or recessive or co-dominant.
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denbeste.nu/essays/sickle.shtml
denbeste.nu/essays/sickle.shtml
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2. Obtain pea seeds bred for dominant and recessive factors from a biological supply house. ... Sickle cell anemia usually appears during the latter months of the first year of life. The gene associated with sickle cell anemia is recessive. Therefore, the disease appears only in homozygous individuals.
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www.yale.edu/ynhti/curriculum/units/1982/7/82.07.06.x.h...
www.yale.edu/ynhti/curriculum/units/1982/7/82.07.06.x.html
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recessive: Moving back and out of view. In genetics, a recessive gene is a gene that does not express its instructions when paired with a dominant gene. ... sickle cell anemia: A recessive genetic disorder in which red blood cells take on an unusual shape, leading to other problems with the blood.
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ehrweb.aaas.org/ehr/books/glossary.html
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Recessive gene, Recessive gene - Autosomal recessive gene, Recessive gene - Examples, Recessive gene - Nomenclature, Recessive gene - Pea Plant, Recessive gene - Sickle cell anemia, Dominant gene, Dominant trait, Incomplete dominance, Dominance relationship, X-linked, mitochondrial...
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www.experiencefestival.com/recessive_gene_-_sickle_cell...
www.experiencefestival.com/recessive_gene_-_sickle_cell_anemia
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Dominance (genetics) - Wikipedia, the free encyclopedia
In genetics, dominance describes a relationship between different forms (alleles) of a gene at a particular physical location (locus) on a chromosome. Typical plants and animals have two sets of chr...
en.wikipedia.org/wiki/Dominance_(genetics)
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