What, with the sickle, is a symbol of communism?
Hammer and sickle the Russian Civil War, the hammer and sickle became more widely used as a symbol for peaceful labor within the Soviet Union and for international proletarian unity. It was taken up by many communist movements around the world, some with local variations. Today, even after the dissolution of the Soviet Union, the hammer and sickle remains commonplace in Russia and other former union republics, but its display is prohibited in some other former Communist countries as well as in countries where Communism is banned by law. Farm and worker instruments and tools have long been used as symbols for proletarian
Sickle cell disease haemoglobin. Sickle cell conditions have an autosomal recessive pattern of inheritance from parents. The types of haemoglobin a person makes in the red blood cells depend on what haemoglobin genes are inherited from her or his parents. If one parent has sickle cell anaemia and the other has sickle cell trait, then the child has a 50% chance of having sickle cell disease and a 50% chance of having sickle cell trait. When both parents have sickle cell trait, a child has a 25% chance of sickle cell disease, 25% do not carry any sickle cell alleles, and 50% have