Answers. Best Answer: take the two laces, cross them, put one lace under the cross, pull. take laces again make laces into loop (make an O shape) cross loops put 1 loop under cross, pull, being careful to pull on sides connected to 1st knot, so as not to undo loops. you're done. Source(s):
The two main groups of thalassemia are called alpha and beta. There are four types of alpha thalassemia and three types of beta thalassemia. Alpha thalassemia genes are found in Southeast Asians, blacks, and people originally from the Middle East. The disease affects the red blood cells in two ways. First the body cannot make enough cells with normal hemoglobin.
1 If the red blood cells size are normal in size (but low in number), this is called normocytic anemia, such as anemia that accompanies chronic disease or anemia related to kidney disease. 2  If red blood cells are larger than normal, then it is called macrocytic anemia. In general, there are three major types of anemia, classified according to the size of the red blood cells: 2  If the red blood cells are smaller than normal, this is called microcytic anemia. 3  The major causes of this type are iron deficiency (low level iron) anemia and thalassemia (inherited disorders of hemoglobin).