Difference between revisions of "Sickle Cell Anemia"

Revision as of 14:44, 19 November 2018

Sickle Cell Anemia is an inherited disorder which causes the formation of sickle shaped red blood cells.

The red blood cells are sickle shaped in Sickle Cell Anemia which causes them to become stuck in capillaries.

Sickle Cell Anemia is caused by a recessive allele and can be passed from parent to offspring.


In this Punnett Square the Sickle Cell Anemia recessive allele is represented with a lower case 's' while the healthy variant of the allele is dominant and shown with a capital 'S'. This shows how two heterozygous parents who do not have symptoms of Sickle Cell Anemia may carry the disease and pass it on to their offspring. This shows there is a 25% chance of a child inheriting Sickle Cell Anemia.

People with Sickle Cell Anemia can have problems with the circulation in their limbs due to capillaries becoming blocked by sickle shaped red blood cells.

Sickle Cell Anemia can also cause feelings of tiredness and fatigue in the muscles as oxygen cannot be transported to the cells that need them.

@@ Line 5: / Line 5: @@
 ===About Sickle Cell Anemia===
 : The [[Red Blood Cell|red blood cells]] are sickle shaped in [[Sickle Cell Anemia]] which causes them to become stuck in [[capillaries]].
-: '''Sickle Cell Anemia''' is caused by a [[Recessive Allele|recessive allele]] and can be passed from parent to offspring.
+: '''Sickle Cell Anemia''' is caused by a [[Recessive Allele|recessive allele]] and can be passed from parent to [[offspring]].
 {| class="wikitable"
 |-
 |[[File:PunnettSquareSickle.png|center|400px]]
 |-
-| style="height:20px; width:200px; text-align:center;" |This [[Punnett Square]] shows how two parents who do not have symptoms of [[Sickle Cell Anemia]] may carry the [[disease]] and pass it on to their [[offspring]]. This shows there is a 25% chance of a child [[Heredity|inheriting]] [[Sickle Cell Anemia]].
+| style="height:20px; width:200px; text-align:center;" |In this [[Punnett Square]] the [[Sickle Cell Anemia]] [[Recessive Allele|recessive allele]] is represented with a lower case 's' while the healthy variant of the [[allele]] is [[Dominant Allele|dominant]] and shown with a capital 'S'. This shows how two [[heterozygous]] parents who do not have symptoms of [[Sickle Cell Anemia]] may carry the [[disease]] and pass it on to their [[offspring]]. This shows there is a 25% chance of a child [[Heredity|inheriting]] [[Sickle Cell Anemia]].
 |}